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Finding the Fourth Proportional to 38,809,658.40, 58,214,660.40 and 10,053,751.20

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Solution

The fourth proportional to 38,809,658.40, 58,214,660.40 and 10,053,751.20 is: 15,080,671.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,809,658.40 : 58,214,660.40 = 10,053,751.20 : x
  2. Step 2: Convert to fraction form
    38,809,658.40/58,214,660.40 = 10,053,751.20/x
  3. Step 3: Cross multiply
    38,809,658.40x = 58,214,660.40 × 10,053,751.20
  4. Step 4: Simplify right side
    38,809,658.40x = 585,275,711,854,092.38
  5. Step 5: Solve for x
    x = 585,275,711,854,092.38/38,809,658.40
  6. Step 6: Final answer
    x = 15,080,671.56

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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.