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Finding the Fourth Proportional to 61,468.64, 84,826.42 and 34,611.36

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Solution

The fourth proportional to 61,468.64, 84,826.42 and 34,611.36 is: 47,763.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,468.64 : 84,826.42 = 34,611.36 : x
  2. Step 2: Convert to fraction form
    61,468.64/84,826.42 = 34,611.36/x
  3. Step 3: Cross multiply
    61,468.64x = 84,826.42 × 34,611.36
  4. Step 4: Simplify right side
    61,468.64x = 2,935,957,760.13
  5. Step 5: Solve for x
    x = 2,935,957,760.13/61,468.64
  6. Step 6: Final answer
    x = 47,763.51

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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.