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Finding the Fourth Proportional to 8,064,674.80, 12,097,012.24 and 7,119,890.80

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Solution

The fourth proportional to 8,064,674.80, 12,097,012.24 and 7,119,890.80 is: 10,679,836.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064,674.80 : 12,097,012.24 = 7,119,890.80 : x
  2. Step 2: Convert to fraction form
    8,064,674.80/12,097,012.24 = 7,119,890.80/x
  3. Step 3: Cross multiply
    8,064,674.80x = 12,097,012.24 × 7,119,890.80
  4. Step 4: Simplify right side
    8,064,674.80x = 86,129,406,155,063.39
  5. Step 5: Solve for x
    x = 86,129,406,155,063.39/8,064,674.80
  6. Step 6: Final answer
    x = 10,679,836.24

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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.