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Finding the Fourth Proportional to 37,541,309.50, 51,807,007.14 and 20,371,901.50

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Solution

The fourth proportional to 37,541,309.50, 51,807,007.14 and 20,371,901.50 is: 28,113,224.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,541,309.50 : 51,807,007.14 = 20,371,901.50 : x
  2. Step 2: Convert to fraction form
    37,541,309.50/51,807,007.14 = 20,371,901.50/x
  3. Step 3: Cross multiply
    37,541,309.50x = 51,807,007.14 × 20,371,901.50
  4. Step 4: Simplify right side
    37,541,309.50x = 1,055,407,246,465,876.75
  5. Step 5: Solve for x
    x = 1,055,407,246,465,876.75/37,541,309.50
  6. Step 6: Final answer
    x = 28,113,224.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.