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Finding the Fourth Proportional to 8,803,367.80, 13,205,051.70 and 7,683,623.80

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Solution

The fourth proportional to 8,803,367.80, 13,205,051.70 and 7,683,623.80 is: 11,525,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803,367.80 : 13,205,051.70 = 7,683,623.80 : x
  2. Step 2: Convert to fraction form
    8,803,367.80/13,205,051.70 = 7,683,623.80/x
  3. Step 3: Cross multiply
    8,803,367.80x = 13,205,051.70 × 7,683,623.80
  4. Step 4: Simplify right side
    8,803,367.80x = 101,462,649,522,350.45
  5. Step 5: Solve for x
    x = 101,462,649,522,350.45/8,803,367.80
  6. Step 6: Final answer
    x = 11,525,435.70

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.