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Finding the Fourth Proportional to 32,868.99, 49,310.78 and 15,329.25

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Solution

The fourth proportional to 32,868.99, 49,310.78 and 15,329.25 is: 22,997.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,868.99 : 49,310.78 = 15,329.25 : x
  2. Step 2: Convert to fraction form
    32,868.99/49,310.78 = 15,329.25/x
  3. Step 3: Cross multiply
    32,868.99x = 49,310.78 × 15,329.25
  4. Step 4: Simplify right side
    32,868.99x = 755,897,197.67
  5. Step 5: Solve for x
    x = 755,897,197.67/32,868.99
  6. Step 6: Final answer
    x = 22,997.27

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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.