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Finding the Fourth Proportional to 14,959.96, 22,440.90 and 8,791

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Solution

The fourth proportional to 14,959.96, 22,440.90 and 8,791 is: 13,187.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,959.96 : 22,440.90 = 8,791 : x
  2. Step 2: Convert to fraction form
    14,959.96/22,440.90 = 8,791/x
  3. Step 3: Cross multiply
    14,959.96x = 22,440.90 × 8,791
  4. Step 4: Simplify right side
    14,959.96x = 197,277,951.90
  5. Step 5: Solve for x
    x = 197,277,951.90/14,959.96
  6. Step 6: Final answer
    x = 13,187.06

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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.