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Finding the Fourth Proportional to 67,901.97, 93,702.92 and 37,686.51

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Solution

The fourth proportional to 67,901.97, 93,702.92 and 37,686.51 is: 52,006.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,901.97 : 93,702.92 = 37,686.51 : x
  2. Step 2: Convert to fraction form
    67,901.97/93,702.92 = 37,686.51/x
  3. Step 3: Cross multiply
    67,901.97x = 93,702.92 × 37,686.51
  4. Step 4: Simplify right side
    67,901.97x = 3,531,335,843.18
  5. Step 5: Solve for x
    x = 3,531,335,843.18/67,901.97
  6. Step 6: Final answer
    x = 52,006.38

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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.