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Finding the Fourth Proportional to 59,418.52, 89,129.34 and 17,296.90

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Solution

The fourth proportional to 59,418.52, 89,129.34 and 17,296.90 is: 25,945.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,418.52 : 89,129.34 = 17,296.90 : x
  2. Step 2: Convert to fraction form
    59,418.52/89,129.34 = 17,296.90/x
  3. Step 3: Cross multiply
    59,418.52x = 89,129.34 × 17,296.90
  4. Step 4: Simplify right side
    59,418.52x = 1,541,661,281.05
  5. Step 5: Solve for x
    x = 1,541,661,281.05/59,418.52
  6. Step 6: Final answer
    x = 25,945.80

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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.