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Finding the Fourth Proportional to 7,452.80, 10,292.20 and 6,752.96

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Solution

The fourth proportional to 7,452.80, 10,292.20 and 6,752.96 is: 9,325.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452.80 : 10,292.20 = 6,752.96 : x
  2. Step 2: Convert to fraction form
    7,452.80/10,292.20 = 6,752.96/x
  3. Step 3: Cross multiply
    7,452.80x = 10,292.20 × 6,752.96
  4. Step 4: Simplify right side
    7,452.80x = 69,502,814.91
  5. Step 5: Solve for x
    x = 69,502,814.91/7,452.80
  6. Step 6: Final answer
    x = 9,325.73

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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.