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Finding the Fourth Proportional to 8,876.48, 13,305.10 and 4,376.66

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Solution

The fourth proportional to 8,876.48, 13,305.10 and 4,376.66 is: 6,560.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.48 : 13,305.10 = 4,376.66 : x
  2. Step 2: Convert to fraction form
    8,876.48/13,305.10 = 4,376.66/x
  3. Step 3: Cross multiply
    8,876.48x = 13,305.10 × 4,376.66
  4. Step 4: Simplify right side
    8,876.48x = 58,231,898.97
  5. Step 5: Solve for x
    x = 58,231,898.97/8,876.48
  6. Step 6: Final answer
    x = 6,560.25

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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.