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Finding the Fourth Proportional to 59,909.60, 89,848.20 and 17,789.60

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Solution

The fourth proportional to 59,909.60, 89,848.20 and 17,789.60 is: 26,679.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,909.60 : 89,848.20 = 17,789.60 : x
  2. Step 2: Convert to fraction form
    59,909.60/89,848.20 = 17,789.60/x
  3. Step 3: Cross multiply
    59,909.60x = 89,848.20 × 17,789.60
  4. Step 4: Simplify right side
    59,909.60x = 1,598,363,538.72
  5. Step 5: Solve for x
    x = 1,598,363,538.72/59,909.60
  6. Step 6: Final answer
    x = 26,679.59

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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.