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Finding the Fourth Proportional to 61,766.04, 85,240.56 and 34,909.68

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Solution

The fourth proportional to 61,766.04, 85,240.56 and 34,909.68 is: 48,177.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,766.04 : 85,240.56 = 34,909.68 : x
  2. Step 2: Convert to fraction form
    61,766.04/85,240.56 = 34,909.68/x
  3. Step 3: Cross multiply
    61,766.04x = 85,240.56 × 34,909.68
  4. Step 4: Simplify right side
    61,766.04x = 2,975,720,672.62
  5. Step 5: Solve for x
    x = 2,975,720,672.62/61,766.04
  6. Step 6: Final answer
    x = 48,177.29

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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.