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Finding the Fourth Proportional to 61,462.80, 84,812.40 and 34,601.04

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Solution

The fourth proportional to 61,462.80, 84,812.40 and 34,601.04 is: 47,745.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,462.80 : 84,812.40 = 34,601.04 : x
  2. Step 2: Convert to fraction form
    61,462.80/84,812.40 = 34,601.04/x
  3. Step 3: Cross multiply
    61,462.80x = 84,812.40 × 34,601.04
  4. Step 4: Simplify right side
    61,462.80x = 2,934,597,244.90
  5. Step 5: Solve for x
    x = 2,934,597,244.90/61,462.80
  6. Step 6: Final answer
    x = 47,745.91

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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.