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Finding the Fourth Proportional to 87,486.82, 131,230.86 and 37,524.76

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Solution

The fourth proportional to 87,486.82, 131,230.86 and 37,524.76 is: 56,287.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,486.82 : 131,230.86 = 37,524.76 : x
  2. Step 2: Convert to fraction form
    87,486.82/131,230.86 = 37,524.76/x
  3. Step 3: Cross multiply
    87,486.82x = 131,230.86 × 37,524.76
  4. Step 4: Simplify right side
    87,486.82x = 4,924,406,526.09
  5. Step 5: Solve for x
    x = 4,924,406,526.09/87,486.82
  6. Step 6: Final answer
    x = 56,287.41

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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.