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Finding the Fourth Proportional to 71,715.48, 98,974.62 and 41,092.63

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Solution

The fourth proportional to 71,715.48, 98,974.62 and 41,092.63 is: 56,711.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,715.48 : 98,974.62 = 41,092.63 : x
  2. Step 2: Convert to fraction form
    71,715.48/98,974.62 = 41,092.63/x
  3. Step 3: Cross multiply
    71,715.48x = 98,974.62 × 41,092.63
  4. Step 4: Simplify right side
    71,715.48x = 4,067,127,439.05
  5. Step 5: Solve for x
    x = 4,067,127,439.05/71,715.48
  6. Step 6: Final answer
    x = 56,711.99

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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.