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Finding the Fourth Proportional to 68,039.80, 93,898.13 and 37,825.63

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Solution

The fourth proportional to 68,039.80, 93,898.13 and 37,825.63 is: 52,201.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,039.80 : 93,898.13 = 37,825.63 : x
  2. Step 2: Convert to fraction form
    68,039.80/93,898.13 = 37,825.63/x
  3. Step 3: Cross multiply
    68,039.80x = 93,898.13 × 37,825.63
  4. Step 4: Simplify right side
    68,039.80x = 3,551,755,711.97
  5. Step 5: Solve for x
    x = 3,551,755,711.97/68,039.80
  6. Step 6: Final answer
    x = 52,201.15

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1.5x scale

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.