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Finding the Fourth Proportional to 69,370.72, 95,731.76 and 37,539.92

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Solution

The fourth proportional to 69,370.72, 95,731.76 and 37,539.92 is: 51,805.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,370.72 : 95,731.76 = 37,539.92 : x
  2. Step 2: Convert to fraction form
    69,370.72/95,731.76 = 37,539.92/x
  3. Step 3: Cross multiply
    69,370.72x = 95,731.76 × 37,539.92
  4. Step 4: Simplify right side
    69,370.72x = 3,593,762,611.86
  5. Step 5: Solve for x
    x = 3,593,762,611.86/69,370.72
  6. Step 6: Final answer
    x = 51,805.18

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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.