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Finding the Fourth Proportional to 62,954.64, 86,876.88 and 34,659.72

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Solution

The fourth proportional to 62,954.64, 86,876.88 and 34,659.72 is: 47,830.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,954.64 : 86,876.88 = 34,659.72 : x
  2. Step 2: Convert to fraction form
    62,954.64/86,876.88 = 34,659.72/x
  3. Step 3: Cross multiply
    62,954.64x = 86,876.88 × 34,659.72
  4. Step 4: Simplify right side
    62,954.64x = 3,011,128,335.27
  5. Step 5: Solve for x
    x = 3,011,128,335.27/62,954.64
  6. Step 6: Final answer
    x = 47,830.13

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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.