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Finding the Fourth Proportional to 7,234.16, 9,982.08 and 4,250.96

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Solution

The fourth proportional to 7,234.16, 9,982.08 and 4,250.96 is: 5,865.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,234.16 : 9,982.08 = 4,250.96 : x
  2. Step 2: Convert to fraction form
    7,234.16/9,982.08 = 4,250.96/x
  3. Step 3: Cross multiply
    7,234.16x = 9,982.08 × 4,250.96
  4. Step 4: Simplify right side
    7,234.16x = 42,433,372.89
  5. Step 5: Solve for x
    x = 42,433,372.89/7,234.16
  6. Step 6: Final answer
    x = 5,865.70

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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.