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Finding the Fourth Proportional to 7,658.82, 11,488.23 and 2,465.46

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Solution

The fourth proportional to 7,658.82, 11,488.23 and 2,465.46 is: 3,698.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658.82 : 11,488.23 = 2,465.46 : x
  2. Step 2: Convert to fraction form
    7,658.82/11,488.23 = 2,465.46/x
  3. Step 3: Cross multiply
    7,658.82x = 11,488.23 × 2,465.46
  4. Step 4: Simplify right side
    7,658.82x = 28,323,771.54
  5. Step 5: Solve for x
    x = 28,323,771.54/7,658.82
  6. Step 6: Final answer
    x = 3,698.19

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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.