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Finding the Fourth Proportional to 14,373.96, 21,552.29 and 5,489.88

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Solution

The fourth proportional to 14,373.96, 21,552.29 and 5,489.88 is: 8,231.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,373.96 : 21,552.29 = 5,489.88 : x
  2. Step 2: Convert to fraction form
    14,373.96/21,552.29 = 5,489.88/x
  3. Step 3: Cross multiply
    14,373.96x = 21,552.29 × 5,489.88
  4. Step 4: Simplify right side
    14,373.96x = 118,319,485.83
  5. Step 5: Solve for x
    x = 118,319,485.83/14,373.96
  6. Step 6: Final answer
    x = 8,231.52

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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.