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Finding the Fourth Proportional to 7,275.88, 10,915.24 and 2,596.24

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Solution

The fourth proportional to 7,275.88, 10,915.24 and 2,596.24 is: 3,894.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.88 : 10,915.24 = 2,596.24 : x
  2. Step 2: Convert to fraction form
    7,275.88/10,915.24 = 2,596.24/x
  3. Step 3: Cross multiply
    7,275.88x = 10,915.24 × 2,596.24
  4. Step 4: Simplify right side
    7,275.88x = 28,338,582.70
  5. Step 5: Solve for x
    x = 28,338,582.70/7,275.88
  6. Step 6: Final answer
    x = 3,894.87

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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.