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Finding the Fourth Proportional to 63,026.68, 86,978.70 and 34,734.19

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Solution

The fourth proportional to 63,026.68, 86,978.70 and 34,734.19 is: 47,934.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,026.68 : 86,978.70 = 34,734.19 : x
  2. Step 2: Convert to fraction form
    63,026.68/86,978.70 = 34,734.19/x
  3. Step 3: Cross multiply
    63,026.68x = 86,978.70 × 34,734.19
  4. Step 4: Simplify right side
    63,026.68x = 3,021,134,691.75
  5. Step 5: Solve for x
    x = 3,021,134,691.75/63,026.68
  6. Step 6: Final answer
    x = 47,934.22

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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.