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Finding the Fourth Proportional to 38,807,946.40, 58,212,092.40 and 10,052,039.20

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Solution

The fourth proportional to 38,807,946.40, 58,212,092.40 and 10,052,039.20 is: 15,078,103.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,807,946.40 : 58,212,092.40 = 10,052,039.20 : x
  2. Step 2: Convert to fraction form
    38,807,946.40/58,212,092.40 = 10,052,039.20/x
  3. Step 3: Cross multiply
    38,807,946.40x = 58,212,092.40 × 10,052,039.20
  4. Step 4: Simplify right side
    38,807,946.40x = 585,150,234,718,822
  5. Step 5: Solve for x
    x = 585,150,234,718,822/38,807,946.40
  6. Step 6: Final answer
    x = 15,078,103.56

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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.