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Finding the Fourth Proportional to 14,659.92, 21,996.11 and 7,264.52

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Solution

The fourth proportional to 14,659.92, 21,996.11 and 7,264.52 is: 10,899.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659.92 : 21,996.11 = 7,264.52 : x
  2. Step 2: Convert to fraction form
    14,659.92/21,996.11 = 7,264.52/x
  3. Step 3: Cross multiply
    14,659.92x = 21,996.11 × 7,264.52
  4. Step 4: Simplify right side
    14,659.92x = 159,791,181.02
  5. Step 5: Solve for x
    x = 159,791,181.02/14,659.92
  6. Step 6: Final answer
    x = 10,899.87

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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.