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Finding the Fourth Proportional to 6,884.55, 10,372.70 and 6,227.16

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Solution

The fourth proportional to 6,884.55, 10,372.70 and 6,227.16 is: 9,382.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,884.55 : 10,372.70 = 6,227.16 : x
  2. Step 2: Convert to fraction form
    6,884.55/10,372.70 = 6,227.16/x
  3. Step 3: Cross multiply
    6,884.55x = 10,372.70 × 6,227.16
  4. Step 4: Simplify right side
    6,884.55x = 64,592,431.40
  5. Step 5: Solve for x
    x = 64,592,431.40/6,884.55
  6. Step 6: Final answer
    x = 9,382.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.