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Finding the Fourth Proportional to 52,697.66, 79,046.62 and 21,532.91

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Solution

The fourth proportional to 52,697.66, 79,046.62 and 21,532.91 is: 32,299.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,697.66 : 79,046.62 = 21,532.91 : x
  2. Step 2: Convert to fraction form
    52,697.66/79,046.62 = 21,532.91/x
  3. Step 3: Cross multiply
    52,697.66x = 79,046.62 × 21,532.91
  4. Step 4: Simplify right side
    52,697.66x = 1,702,103,305.20
  5. Step 5: Solve for x
    x = 1,702,103,305.20/52,697.66
  6. Step 6: Final answer
    x = 32,299.41

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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.