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Finding the Fourth Proportional to 52,855.28, 79,294.58 and 15,418.28

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Solution

The fourth proportional to 52,855.28, 79,294.58 and 15,418.28 is: 23,130.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,855.28 : 79,294.58 = 15,418.28 : x
  2. Step 2: Convert to fraction form
    52,855.28/79,294.58 = 15,418.28/x
  3. Step 3: Cross multiply
    52,855.28x = 79,294.58 × 15,418.28
  4. Step 4: Simplify right side
    52,855.28x = 1,222,586,273.70
  5. Step 5: Solve for x
    x = 1,222,586,273.70/52,855.28
  6. Step 6: Final answer
    x = 23,130.82

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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.