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Finding the Fourth Proportional to 17,524.60, 26,278.80 and 7,658.80

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Solution

The fourth proportional to 17,524.60, 26,278.80 and 7,658.80 is: 11,484.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,524.60 : 26,278.80 = 7,658.80 : x
  2. Step 2: Convert to fraction form
    17,524.60/26,278.80 = 7,658.80/x
  3. Step 3: Cross multiply
    17,524.60x = 26,278.80 × 7,658.80
  4. Step 4: Simplify right side
    17,524.60x = 201,264,073.44
  5. Step 5: Solve for x
    x = 201,264,073.44/17,524.60
  6. Step 6: Final answer
    x = 11,484.66

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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.