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Finding the Fourth Proportional to 48,874.32, 73,311.48 and 17,287.56

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Solution

The fourth proportional to 48,874.32, 73,311.48 and 17,287.56 is: 25,931.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,874.32 : 73,311.48 = 17,287.56 : x
  2. Step 2: Convert to fraction form
    48,874.32/73,311.48 = 17,287.56/x
  3. Step 3: Cross multiply
    48,874.32x = 73,311.48 × 17,287.56
  4. Step 4: Simplify right side
    48,874.32x = 1,267,376,609.19
  5. Step 5: Solve for x
    x = 1,267,376,609.19/48,874.32
  6. Step 6: Final answer
    x = 25,931.34

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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.