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Finding the Fourth Proportional to 60,575.72, 90,876.53 and 18,459.17

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Solution

The fourth proportional to 60,575.72, 90,876.53 and 18,459.17 is: 27,692.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,575.72 : 90,876.53 = 18,459.17 : x
  2. Step 2: Convert to fraction form
    60,575.72/90,876.53 = 18,459.17/x
  3. Step 3: Cross multiply
    60,575.72x = 90,876.53 × 18,459.17
  4. Step 4: Simplify right side
    60,575.72x = 1,677,505,316.28
  5. Step 5: Solve for x
    x = 1,677,505,316.28/60,575.72
  6. Step 6: Final answer
    x = 27,692.70

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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.