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Finding the Fourth Proportional to 61,398.76, 92,221.26 and 59,381.32

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Solution

The fourth proportional to 61,398.76, 92,221.26 and 59,381.32 is: 89,191.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,398.76 : 92,221.26 = 59,381.32 : x
  2. Step 2: Convert to fraction form
    61,398.76/92,221.26 = 59,381.32/x
  3. Step 3: Cross multiply
    61,398.76x = 92,221.26 × 59,381.32
  4. Step 4: Simplify right side
    61,398.76x = 5,476,220,150.86
  5. Step 5: Solve for x
    x = 5,476,220,150.86/61,398.76
  6. Step 6: Final answer
    x = 89,191.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.