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Finding the Fourth Proportional to 6,253.78, 8,627.64 and 4,016.96

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Solution

The fourth proportional to 6,253.78, 8,627.64 and 4,016.96 is: 5,541.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,253.78 : 8,627.64 = 4,016.96 : x
  2. Step 2: Convert to fraction form
    6,253.78/8,627.64 = 4,016.96/x
  3. Step 3: Cross multiply
    6,253.78x = 8,627.64 × 4,016.96
  4. Step 4: Simplify right side
    6,253.78x = 34,656,884.77
  5. Step 5: Solve for x
    x = 34,656,884.77/6,253.78
  6. Step 6: Final answer
    x = 5,541.75

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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.