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Finding the Fourth Proportional to 6,654,230.60, 9,981,345.90 and 3,668,246.60

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Solution

The fourth proportional to 6,654,230.60, 9,981,345.90 and 3,668,246.60 is: 5,502,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,654,230.60 : 9,981,345.90 = 3,668,246.60 : x
  2. Step 2: Convert to fraction form
    6,654,230.60/9,981,345.90 = 3,668,246.60/x
  3. Step 3: Cross multiply
    6,654,230.60x = 9,981,345.90 × 3,668,246.60
  4. Step 4: Simplify right side
    6,654,230.60x = 36,614,038,161,098.95
  5. Step 5: Solve for x
    x = 36,614,038,161,098.95/6,654,230.60
  6. Step 6: Final answer
    x = 5,502,369.90

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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.