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Finding the Fourth Proportional to 63,656.97, 95,495.78 and 21,539.64

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Solution

The fourth proportional to 63,656.97, 95,495.78 and 21,539.64 is: 32,312.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,656.97 : 95,495.78 = 21,539.64 : x
  2. Step 2: Convert to fraction form
    63,656.97/95,495.78 = 21,539.64/x
  3. Step 3: Cross multiply
    63,656.97x = 95,495.78 × 21,539.64
  4. Step 4: Simplify right side
    63,656.97x = 2,056,944,776.57
  5. Step 5: Solve for x
    x = 2,056,944,776.57/63,656.97
  6. Step 6: Final answer
    x = 32,312.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.