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Finding the Fourth Proportional to 41,643.92, 62,464.06 and 12,061.10

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Solution

The fourth proportional to 41,643.92, 62,464.06 and 12,061.10 is: 18,091.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,643.92 : 62,464.06 = 12,061.10 : x
  2. Step 2: Convert to fraction form
    41,643.92/62,464.06 = 12,061.10/x
  3. Step 3: Cross multiply
    41,643.92x = 62,464.06 × 12,061.10
  4. Step 4: Simplify right side
    41,643.92x = 753,385,445.30
  5. Step 5: Solve for x
    x = 753,385,445.30/41,643.92
  6. Step 6: Final answer
    x = 18,091.13

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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.