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Finding the Fourth Proportional to 52,731.40, 79,046.22 and 17,651.56

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Solution

The fourth proportional to 52,731.40, 79,046.22 and 17,651.56 is: 26,460.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,731.40 : 79,046.22 = 17,651.56 : x
  2. Step 2: Convert to fraction form
    52,731.40/79,046.22 = 17,651.56/x
  3. Step 3: Cross multiply
    52,731.40x = 79,046.22 × 17,651.56
  4. Step 4: Simplify right side
    52,731.40x = 1,395,289,095.10
  5. Step 5: Solve for x
    x = 1,395,289,095.10/52,731.40
  6. Step 6: Final answer
    x = 26,460.31

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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.