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Finding the Fourth Proportional to 24,791.84, 34,211.04 and 15,839.36

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Solution

The fourth proportional to 24,791.84, 34,211.04 and 15,839.36 is: 21,857.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,791.84 : 34,211.04 = 15,839.36 : x
  2. Step 2: Convert to fraction form
    24,791.84/34,211.04 = 15,839.36/x
  3. Step 3: Cross multiply
    24,791.84x = 34,211.04 × 15,839.36
  4. Step 4: Simplify right side
    24,791.84x = 541,880,978.53
  5. Step 5: Solve for x
    x = 541,880,978.53/24,791.84
  6. Step 6: Final answer
    x = 21,857.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.