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Finding the Fourth Proportional to 58,657.76, 88,019.76 and 27,493.28

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Solution

The fourth proportional to 58,657.76, 88,019.76 and 27,493.28 is: 41,255.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,657.76 : 88,019.76 = 27,493.28 : x
  2. Step 2: Convert to fraction form
    58,657.76/88,019.76 = 27,493.28/x
  3. Step 3: Cross multiply
    58,657.76x = 88,019.76 × 27,493.28
  4. Step 4: Simplify right side
    58,657.76x = 2,419,951,907.21
  5. Step 5: Solve for x
    x = 2,419,951,907.21/58,657.76
  6. Step 6: Final answer
    x = 41,255.44

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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.