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Finding the Fourth Proportional to 24,923.71, 34,393.76 and 13,745.71

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Solution

The fourth proportional to 24,923.71, 34,393.76 and 13,745.71 is: 18,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,923.71 : 34,393.76 = 13,745.71 : x
  2. Step 2: Convert to fraction form
    24,923.71/34,393.76 = 13,745.71/x
  3. Step 3: Cross multiply
    24,923.71x = 34,393.76 × 13,745.71
  4. Step 4: Simplify right side
    24,923.71x = 472,766,478.80
  5. Step 5: Solve for x
    x = 472,766,478.80/24,923.71
  6. Step 6: Final answer
    x = 18,968.55

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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.