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Finding the Fourth Proportional to 7,658.73, 10,568.88 and 4,255.52

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Solution

The fourth proportional to 7,658.73, 10,568.88 and 4,255.52 is: 5,872.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658.73 : 10,568.88 = 4,255.52 : x
  2. Step 2: Convert to fraction form
    7,658.73/10,568.88 = 4,255.52/x
  3. Step 3: Cross multiply
    7,658.73x = 10,568.88 × 4,255.52
  4. Step 4: Simplify right side
    7,658.73x = 44,976,027.37
  5. Step 5: Solve for x
    x = 44,976,027.37/7,658.73
  6. Step 6: Final answer
    x = 5,872.52

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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.