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Finding the Fourth Proportional to 71,393.42, 98,523.51 and 39,562.85

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Solution

The fourth proportional to 71,393.42, 98,523.51 and 39,562.85 is: 54,597.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,393.42 : 98,523.51 = 39,562.85 : x
  2. Step 2: Convert to fraction form
    71,393.42/98,523.51 = 39,562.85/x
  3. Step 3: Cross multiply
    71,393.42x = 98,523.51 × 39,562.85
  4. Step 4: Simplify right side
    71,393.42x = 3,897,870,847.60
  5. Step 5: Solve for x
    x = 3,897,870,847.60/71,393.42
  6. Step 6: Final answer
    x = 54,597.06

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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.