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Finding the Fourth Proportional to 17,790.62, 24,532.62 and 15,281.02

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Solution

The fourth proportional to 17,790.62, 24,532.62 and 15,281.02 is: 21,071.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,790.62 : 24,532.62 = 15,281.02 : x
  2. Step 2: Convert to fraction form
    17,790.62/24,532.62 = 15,281.02/x
  3. Step 3: Cross multiply
    17,790.62x = 24,532.62 × 15,281.02
  4. Step 4: Simplify right side
    17,790.62x = 374,883,456.87
  5. Step 5: Solve for x
    x = 374,883,456.87/17,790.62
  6. Step 6: Final answer
    x = 21,071.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.