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Finding the Fourth Proportional to 52,671.67, 79,007.20 and 17,611.02

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Solution

The fourth proportional to 52,671.67, 79,007.20 and 17,611.02 is: 26,416.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,671.67 : 79,007.20 = 17,611.02 : x
  2. Step 2: Convert to fraction form
    52,671.67/79,007.20 = 17,611.02/x
  3. Step 3: Cross multiply
    52,671.67x = 79,007.20 × 17,611.02
  4. Step 4: Simplify right side
    52,671.67x = 1,391,397,335.32
  5. Step 5: Solve for x
    x = 1,391,397,335.32/52,671.67
  6. Step 6: Final answer
    x = 26,416.43

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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.