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Finding the Fourth Proportional to 71,882.91, 99,199.35 and 41,260.95

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Solution

The fourth proportional to 71,882.91, 99,199.35 and 41,260.95 is: 56,940.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,882.91 : 99,199.35 = 41,260.95 : x
  2. Step 2: Convert to fraction form
    71,882.91/99,199.35 = 41,260.95/x
  3. Step 3: Cross multiply
    71,882.91x = 99,199.35 × 41,260.95
  4. Step 4: Simplify right side
    71,882.91x = 4,093,059,420.38
  5. Step 5: Solve for x
    x = 4,093,059,420.38/71,882.91
  6. Step 6: Final answer
    x = 56,940.65

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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.