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Finding the Fourth Proportional to 48,581.75, 72,872.63 and 13,522.32

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Solution

The fourth proportional to 48,581.75, 72,872.63 and 13,522.32 is: 20,283.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,581.75 : 72,872.63 = 13,522.32 : x
  2. Step 2: Convert to fraction form
    48,581.75/72,872.63 = 13,522.32/x
  3. Step 3: Cross multiply
    48,581.75x = 72,872.63 × 13,522.32
  4. Step 4: Simplify right side
    48,581.75x = 985,407,022.10
  5. Step 5: Solve for x
    x = 985,407,022.10/48,581.75
  6. Step 6: Final answer
    x = 20,283.48

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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.