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Finding the Fourth Proportional to 48,359.66, 72,495.74 and 17,187.62

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Solution

The fourth proportional to 48,359.66, 72,495.74 and 17,187.62 is: 25,765.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,359.66 : 72,495.74 = 17,187.62 : x
  2. Step 2: Convert to fraction form
    48,359.66/72,495.74 = 17,187.62/x
  3. Step 3: Cross multiply
    48,359.66x = 72,495.74 × 17,187.62
  4. Step 4: Simplify right side
    48,359.66x = 1,246,029,230.74
  5. Step 5: Solve for x
    x = 1,246,029,230.74/48,359.66
  6. Step 6: Final answer
    x = 25,765.88

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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.