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Finding the Fourth Proportional to 59,796.78, 89,715.84 and 26,540.13

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Solution

The fourth proportional to 59,796.78, 89,715.84 and 26,540.13 is: 39,819.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,796.78 : 89,715.84 = 26,540.13 : x
  2. Step 2: Convert to fraction form
    59,796.78/89,715.84 = 26,540.13/x
  3. Step 3: Cross multiply
    59,796.78x = 89,715.84 × 26,540.13
  4. Step 4: Simplify right side
    59,796.78x = 2,381,070,056.66
  5. Step 5: Solve for x
    x = 2,381,070,056.66/59,796.78
  6. Step 6: Final answer
    x = 39,819.37

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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.