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Finding the Fourth Proportional to 7,610.90, 11,397.90 and 5,264.32

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Solution

The fourth proportional to 7,610.90, 11,397.90 and 5,264.32 is: 7,883.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,610.90 : 11,397.90 = 5,264.32 : x
  2. Step 2: Convert to fraction form
    7,610.90/11,397.90 = 5,264.32/x
  3. Step 3: Cross multiply
    7,610.90x = 11,397.90 × 5,264.32
  4. Step 4: Simplify right side
    7,610.90x = 60,002,144.69
  5. Step 5: Solve for x
    x = 60,002,144.69/7,610.90
  6. Step 6: Final answer
    x = 7,883.71

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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.