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Finding the Fourth Proportional to 26,951.70, 40,422.60 and 7,225.50

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Solution

The fourth proportional to 26,951.70, 40,422.60 and 7,225.50 is: 10,836.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,951.70 : 40,422.60 = 7,225.50 : x
  2. Step 2: Convert to fraction form
    26,951.70/40,422.60 = 7,225.50/x
  3. Step 3: Cross multiply
    26,951.70x = 40,422.60 × 7,225.50
  4. Step 4: Simplify right side
    26,951.70x = 292,073,496.30
  5. Step 5: Solve for x
    x = 292,073,496.30/26,951.70
  6. Step 6: Final answer
    x = 10,836.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.