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Finding the Fourth Proportional to 71,337.44, 98,444.44 and 39,505.66

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Solution

The fourth proportional to 71,337.44, 98,444.44 and 39,505.66 is: 54,517.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,337.44 : 98,444.44 = 39,505.66 : x
  2. Step 2: Convert to fraction form
    71,337.44/98,444.44 = 39,505.66/x
  3. Step 3: Cross multiply
    71,337.44x = 98,444.44 × 39,505.66
  4. Step 4: Simplify right side
    71,337.44x = 3,889,112,575.53
  5. Step 5: Solve for x
    x = 3,889,112,575.53/71,337.44
  6. Step 6: Final answer
    x = 54,517.13

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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.