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Finding the Fourth Proportional to 7,895.22, 10,882.53 and 7,251.54

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Solution

The fourth proportional to 7,895.22, 10,882.53 and 7,251.54 is: 9,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.22 : 10,882.53 = 7,251.54 : x
  2. Step 2: Convert to fraction form
    7,895.22/10,882.53 = 7,251.54/x
  3. Step 3: Cross multiply
    7,895.22x = 10,882.53 × 7,251.54
  4. Step 4: Simplify right side
    7,895.22x = 78,915,101.60
  5. Step 5: Solve for x
    x = 78,915,101.60/7,895.22
  6. Step 6: Final answer
    x = 9,995.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.