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Finding the Fourth Proportional to 24,818.68, 34,250.40 and 13,640.68

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Solution

The fourth proportional to 24,818.68, 34,250.40 and 13,640.68 is: 18,824.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,818.68 : 34,250.40 = 13,640.68 : x
  2. Step 2: Convert to fraction form
    24,818.68/34,250.40 = 13,640.68/x
  3. Step 3: Cross multiply
    24,818.68x = 34,250.40 × 13,640.68
  4. Step 4: Simplify right side
    24,818.68x = 467,198,746.27
  5. Step 5: Solve for x
    x = 467,198,746.27/24,818.68
  6. Step 6: Final answer
    x = 18,824.48

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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.