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Finding the Fourth Proportional to 52,788.29, 79,175.14 and 13,343.02

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Solution

The fourth proportional to 52,788.29, 79,175.14 and 13,343.02 is: 20,012.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,788.29 : 79,175.14 = 13,343.02 : x
  2. Step 2: Convert to fraction form
    52,788.29/79,175.14 = 13,343.02/x
  3. Step 3: Cross multiply
    52,788.29x = 79,175.14 × 13,343.02
  4. Step 4: Simplify right side
    52,788.29x = 1,056,435,245.23
  5. Step 5: Solve for x
    x = 1,056,435,245.23/52,788.29
  6. Step 6: Final answer
    x = 20,012.68

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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.