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Finding the Fourth Proportional to 7,658.75, 11,488.53 and 2,394.16

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Solution

The fourth proportional to 7,658.75, 11,488.53 and 2,394.16 is: 3,591.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658.75 : 11,488.53 = 2,394.16 : x
  2. Step 2: Convert to fraction form
    7,658.75/11,488.53 = 2,394.16/x
  3. Step 3: Cross multiply
    7,658.75x = 11,488.53 × 2,394.16
  4. Step 4: Simplify right side
    7,658.75x = 27,505,359.24
  5. Step 5: Solve for x
    x = 27,505,359.24/7,658.75
  6. Step 6: Final answer
    x = 3,591.36

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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.