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Finding the Fourth Proportional to 59,521.60, 89,109.60 and 57,793.60

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Solution

The fourth proportional to 59,521.60, 89,109.60 and 57,793.60 is: 86,522.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,521.60 : 89,109.60 = 57,793.60 : x
  2. Step 2: Convert to fraction form
    59,521.60/89,109.60 = 57,793.60/x
  3. Step 3: Cross multiply
    59,521.60x = 89,109.60 × 57,793.60
  4. Step 4: Simplify right side
    59,521.60x = 5,149,964,578.56
  5. Step 5: Solve for x
    x = 5,149,964,578.56/59,521.60
  6. Step 6: Final answer
    x = 86,522.62

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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.