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Finding the Fourth Proportional to 52,367.01, 78,532.90 and 16,819.61

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Solution

The fourth proportional to 52,367.01, 78,532.90 and 16,819.61 is: 25,223.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,367.01 : 78,532.90 = 16,819.61 : x
  2. Step 2: Convert to fraction form
    52,367.01/78,532.90 = 16,819.61/x
  3. Step 3: Cross multiply
    52,367.01x = 78,532.90 × 16,819.61
  4. Step 4: Simplify right side
    52,367.01x = 1,320,892,750.17
  5. Step 5: Solve for x
    x = 1,320,892,750.17/52,367.01
  6. Step 6: Final answer
    x = 25,223.76

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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.