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Finding the Fourth Proportional to 69,187.84, 95,472.14 and 38,968.36

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Solution

The fourth proportional to 69,187.84, 95,472.14 and 38,968.36 is: 53,772.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,187.84 : 95,472.14 = 38,968.36 : x
  2. Step 2: Convert to fraction form
    69,187.84/95,472.14 = 38,968.36/x
  3. Step 3: Cross multiply
    69,187.84x = 95,472.14 × 38,968.36
  4. Step 4: Simplify right side
    69,187.84x = 3,720,392,287.97
  5. Step 5: Solve for x
    x = 3,720,392,287.97/69,187.84
  6. Step 6: Final answer
    x = 53,772.35

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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.