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Finding the Fourth Proportional to 5,915.26, 8,865.99 and 4,449.70

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Solution

The fourth proportional to 5,915.26, 8,865.99 and 4,449.70 is: 6,669.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.26 : 8,865.99 = 4,449.70 : x
  2. Step 2: Convert to fraction form
    5,915.26/8,865.99 = 4,449.70/x
  3. Step 3: Cross multiply
    5,915.26x = 8,865.99 × 4,449.70
  4. Step 4: Simplify right side
    5,915.26x = 39,450,995.70
  5. Step 5: Solve for x
    x = 39,450,995.70/5,915.26
  6. Step 6: Final answer
    x = 6,669.36

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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.