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Finding the Fourth Proportional to 4,789.98, 7,184.99 and 2,325.17

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Solution

The fourth proportional to 4,789.98, 7,184.99 and 2,325.17 is: 3,487.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.98 : 7,184.99 = 2,325.17 : x
  2. Step 2: Convert to fraction form
    4,789.98/7,184.99 = 2,325.17/x
  3. Step 3: Cross multiply
    4,789.98x = 7,184.99 × 2,325.17
  4. Step 4: Simplify right side
    4,789.98x = 16,706,275.65
  5. Step 5: Solve for x
    x = 16,706,275.65/4,789.98
  6. Step 6: Final answer
    x = 3,487.75

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Double scale
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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.