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Finding the Fourth Proportional to 5,632.32, 7,775.12 and 3,747.24

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Solution

The fourth proportional to 5,632.32, 7,775.12 and 3,747.24 is: 5,172.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,632.32 : 7,775.12 = 3,747.24 : x
  2. Step 2: Convert to fraction form
    5,632.32/7,775.12 = 3,747.24/x
  3. Step 3: Cross multiply
    5,632.32x = 7,775.12 × 3,747.24
  4. Step 4: Simplify right side
    5,632.32x = 29,135,240.67
  5. Step 5: Solve for x
    x = 29,135,240.67/5,632.32
  6. Step 6: Final answer
    x = 5,172.87

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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.