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Finding the Fourth Proportional to 59,489.85, 89,115.77 and 35,784.32

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Solution

The fourth proportional to 59,489.85, 89,115.77 and 35,784.32 is: 53,604.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,489.85 : 89,115.77 = 35,784.32 : x
  2. Step 2: Convert to fraction form
    59,489.85/89,115.77 = 35,784.32/x
  3. Step 3: Cross multiply
    59,489.85x = 89,115.77 × 35,784.32
  4. Step 4: Simplify right side
    59,489.85x = 3,188,946,874.61
  5. Step 5: Solve for x
    x = 3,188,946,874.61/59,489.85
  6. Step 6: Final answer
    x = 53,604.89

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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.