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Finding the Fourth Proportional to 8,675.88, 11,974.02 and 4,951.08

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Solution

The fourth proportional to 8,675.88, 11,974.02 and 4,951.08 is: 6,833.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.88 : 11,974.02 = 4,951.08 : x
  2. Step 2: Convert to fraction form
    8,675.88/11,974.02 = 4,951.08/x
  3. Step 3: Cross multiply
    8,675.88x = 11,974.02 × 4,951.08
  4. Step 4: Simplify right side
    8,675.88x = 59,284,330.94
  5. Step 5: Solve for x
    x = 59,284,330.94/8,675.88
  6. Step 6: Final answer
    x = 6,833.24

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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.