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Finding the Fourth Proportional to 69,957.80, 96,538.95 and 38,126.01

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Solution

The fourth proportional to 69,957.80, 96,538.95 and 38,126.01 is: 52,612.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,957.80 : 96,538.95 = 38,126.01 : x
  2. Step 2: Convert to fraction form
    69,957.80/96,538.95 = 38,126.01/x
  3. Step 3: Cross multiply
    69,957.80x = 96,538.95 × 38,126.01
  4. Step 4: Simplify right side
    69,957.80x = 3,680,644,973.09
  5. Step 5: Solve for x
    x = 3,680,644,973.09/69,957.80
  6. Step 6: Final answer
    x = 52,612.36

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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.