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Finding the Fourth Proportional to 7,658.84, 11,488.38 and 2,393.99

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Solution

The fourth proportional to 7,658.84, 11,488.38 and 2,393.99 is: 3,591.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658.84 : 11,488.38 = 2,393.99 : x
  2. Step 2: Convert to fraction form
    7,658.84/11,488.38 = 2,393.99/x
  3. Step 3: Cross multiply
    7,658.84x = 11,488.38 × 2,393.99
  4. Step 4: Simplify right side
    7,658.84x = 27,503,009.39
  5. Step 5: Solve for x
    x = 27,503,009.39/7,658.84
  6. Step 6: Final answer
    x = 3,591.02

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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.