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Finding the Fourth Proportional to 48,752.66, 73,129 and 17,587.90

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Solution

The fourth proportional to 48,752.66, 73,129 and 17,587.90 is: 26,381.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,752.66 : 73,129 = 17,587.90 : x
  2. Step 2: Convert to fraction form
    48,752.66/73,129 = 17,587.90/x
  3. Step 3: Cross multiply
    48,752.66x = 73,129 × 17,587.90
  4. Step 4: Simplify right side
    48,752.66x = 1,286,185,539.10
  5. Step 5: Solve for x
    x = 1,286,185,539.10/48,752.66
  6. Step 6: Final answer
    x = 26,381.85

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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.