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Finding the Fourth Proportional to 8,321,302.80, 12,481,954.20 and 5,486,950.80

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Solution

The fourth proportional to 8,321,302.80, 12,481,954.20 and 5,486,950.80 is: 8,230,426.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,302.80 : 12,481,954.20 = 5,486,950.80 : x
  2. Step 2: Convert to fraction form
    8,321,302.80/12,481,954.20 = 5,486,950.80/x
  3. Step 3: Cross multiply
    8,321,302.80x = 12,481,954.20 × 5,486,950.80
  4. Step 4: Simplify right side
    8,321,302.80x = 68,487,868,583,253.35
  5. Step 5: Solve for x
    x = 68,487,868,583,253.35/8,321,302.80
  6. Step 6: Final answer
    x = 8,230,426.20

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Double scale
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Similar ratio
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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.