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Finding the Fourth Proportional to 69,489.28, 95,894.80 and 37,658.16

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Solution

The fourth proportional to 69,489.28, 95,894.80 and 37,658.16 is: 51,968.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,489.28 : 95,894.80 = 37,658.16 : x
  2. Step 2: Convert to fraction form
    69,489.28/95,894.80 = 37,658.16/x
  3. Step 3: Cross multiply
    69,489.28x = 95,894.80 × 37,658.16
  4. Step 4: Simplify right side
    69,489.28x = 3,611,221,721.57
  5. Step 5: Solve for x
    x = 3,611,221,721.57/69,489.28
  6. Step 6: Final answer
    x = 51,968.04

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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.