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Finding the Fourth Proportional to 4,869.92, 7,293.49 and 2,396.79

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Solution

The fourth proportional to 4,869.92, 7,293.49 and 2,396.79 is: 3,589.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.92 : 7,293.49 = 2,396.79 : x
  2. Step 2: Convert to fraction form
    4,869.92/7,293.49 = 2,396.79/x
  3. Step 3: Cross multiply
    4,869.92x = 7,293.49 × 2,396.79
  4. Step 4: Simplify right side
    4,869.92x = 17,480,915.45
  5. Step 5: Solve for x
    x = 17,480,915.45/4,869.92
  6. Step 6: Final answer
    x = 3,589.57

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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.