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Finding the Fourth Proportional to 79,879, 119,818.52 and 24,475

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Solution

The fourth proportional to 79,879, 119,818.52 and 24,475 is: 36,712.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,879 : 119,818.52 = 24,475 : x
  2. Step 2: Convert to fraction form
    79,879/119,818.52 = 24,475/x
  3. Step 3: Cross multiply
    79,879x = 119,818.52 × 24,475
  4. Step 4: Simplify right side
    79,879x = 2,932,558,277
  5. Step 5: Solve for x
    x = 2,932,558,277/79,879
  6. Step 6: Final answer
    x = 36,712.51

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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.