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Finding the Fourth Proportional to 39,841.52, 59,748.35 and 11,754.12

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Solution

The fourth proportional to 39,841.52, 59,748.35 and 11,754.12 is: 17,627.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,841.52 : 59,748.35 = 11,754.12 : x
  2. Step 2: Convert to fraction form
    39,841.52/59,748.35 = 11,754.12/x
  3. Step 3: Cross multiply
    39,841.52x = 59,748.35 × 11,754.12
  4. Step 4: Simplify right side
    39,841.52x = 702,289,275.70
  5. Step 5: Solve for x
    x = 702,289,275.70/39,841.52
  6. Step 6: Final answer
    x = 17,627.07

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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.