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Finding the Fourth Proportional to 52,732.68, 79,090.68 and 17,672.64

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Solution

The fourth proportional to 52,732.68, 79,090.68 and 17,672.64 is: 26,506.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,732.68 : 79,090.68 = 17,672.64 : x
  2. Step 2: Convert to fraction form
    52,732.68/79,090.68 = 17,672.64/x
  3. Step 3: Cross multiply
    52,732.68x = 79,090.68 × 17,672.64
  4. Step 4: Simplify right side
    52,732.68x = 1,397,741,115.00
  5. Step 5: Solve for x
    x = 1,397,741,115.00/52,732.68
  6. Step 6: Final answer
    x = 26,506.16

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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.