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Finding the Fourth Proportional to 52,894.01, 79,348.43 and 15,456.83

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Solution

The fourth proportional to 52,894.01, 79,348.43 and 15,456.83 is: 23,187.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,894.01 : 79,348.43 = 15,456.83 : x
  2. Step 2: Convert to fraction form
    52,894.01/79,348.43 = 15,456.83/x
  3. Step 3: Cross multiply
    52,894.01x = 79,348.43 × 15,456.83
  4. Step 4: Simplify right side
    52,894.01x = 1,226,475,115.99
  5. Step 5: Solve for x
    x = 1,226,475,115.99/52,894.01
  6. Step 6: Final answer
    x = 23,187.41

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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.