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Finding the Fourth Proportional to 7,229.61, 10,851.71 and 4,882.23

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Solution

The fourth proportional to 7,229.61, 10,851.71 and 4,882.23 is: 7,328.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,229.61 : 10,851.71 = 4,882.23 : x
  2. Step 2: Convert to fraction form
    7,229.61/10,851.71 = 4,882.23/x
  3. Step 3: Cross multiply
    7,229.61x = 10,851.71 × 4,882.23
  4. Step 4: Simplify right side
    7,229.61x = 52,980,519.70
  5. Step 5: Solve for x
    x = 52,980,519.70/7,229.61
  6. Step 6: Final answer
    x = 7,328.27

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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.