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Finding the Fourth Proportional to 7,658.96, 11,488.44 and 2,186.96

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Solution

The fourth proportional to 7,658.96, 11,488.44 and 2,186.96 is: 3,280.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658.96 : 11,488.44 = 2,186.96 : x
  2. Step 2: Convert to fraction form
    7,658.96/11,488.44 = 2,186.96/x
  3. Step 3: Cross multiply
    7,658.96x = 11,488.44 × 2,186.96
  4. Step 4: Simplify right side
    7,658.96x = 25,124,758.74
  5. Step 5: Solve for x
    x = 25,124,758.74/7,658.96
  6. Step 6: Final answer
    x = 3,280.44

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Similar ratio
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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.