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Finding the Fourth Proportional to 48,830.60, 73,251.68 and 15,539

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Solution

The fourth proportional to 48,830.60, 73,251.68 and 15,539 is: 23,310.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,830.60 : 73,251.68 = 15,539 : x
  2. Step 2: Convert to fraction form
    48,830.60/73,251.68 = 15,539/x
  3. Step 3: Cross multiply
    48,830.60x = 73,251.68 × 15,539
  4. Step 4: Simplify right side
    48,830.60x = 1,138,257,855.52
  5. Step 5: Solve for x
    x = 1,138,257,855.52/48,830.60
  6. Step 6: Final answer
    x = 23,310.34

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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.