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Finding the Fourth Proportional to 7,658.49, 11,488.19 and 2,394.26

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Solution

The fourth proportional to 7,658.49, 11,488.19 and 2,394.26 is: 3,591.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658.49 : 11,488.19 = 2,394.26 : x
  2. Step 2: Convert to fraction form
    7,658.49/11,488.19 = 2,394.26/x
  3. Step 3: Cross multiply
    7,658.49x = 11,488.19 × 2,394.26
  4. Step 4: Simplify right side
    7,658.49x = 27,505,644.38
  5. Step 5: Solve for x
    x = 27,505,644.38/7,658.49
  6. Step 6: Final answer
    x = 3,591.52

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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.