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Finding the Fourth Proportional to 61,175.92, 84,418.92 and 34,318.24

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Solution

The fourth proportional to 61,175.92, 84,418.92 and 34,318.24 is: 47,357.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,175.92 : 84,418.92 = 34,318.24 : x
  2. Step 2: Convert to fraction form
    61,175.92/84,418.92 = 34,318.24/x
  3. Step 3: Cross multiply
    61,175.92x = 84,418.92 × 34,318.24
  4. Step 4: Simplify right side
    61,175.92x = 2,897,108,757.10
  5. Step 5: Solve for x
    x = 2,897,108,757.10/61,175.92
  6. Step 6: Final answer
    x = 47,357.01

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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.