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Finding the Fourth Proportional to 22,956.68, 34,402.68 and 18,255.80

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Solution

The fourth proportional to 22,956.68, 34,402.68 and 18,255.80 is: 27,357.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,956.68 : 34,402.68 = 18,255.80 : x
  2. Step 2: Convert to fraction form
    22,956.68/34,402.68 = 18,255.80/x
  3. Step 3: Cross multiply
    22,956.68x = 34,402.68 × 18,255.80
  4. Step 4: Simplify right side
    22,956.68x = 628,048,445.54
  5. Step 5: Solve for x
    x = 628,048,445.54/22,956.68
  6. Step 6: Final answer
    x = 27,357.98

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1.5x scale

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.