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Finding the Fourth Proportional to 5,658.45, 8,488.56 and 2,736.96

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Solution

The fourth proportional to 5,658.45, 8,488.56 and 2,736.96 is: 4,105.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658.45 : 8,488.56 = 2,736.96 : x
  2. Step 2: Convert to fraction form
    5,658.45/8,488.56 = 2,736.96/x
  3. Step 3: Cross multiply
    5,658.45x = 8,488.56 × 2,736.96
  4. Step 4: Simplify right side
    5,658.45x = 23,232,849.18
  5. Step 5: Solve for x
    x = 23,232,849.18/5,658.45
  6. Step 6: Final answer
    x = 4,105.87

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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.