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Finding the Fourth Proportional to 7,236.72, 10,793.84 and 7,017.92

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Solution

The fourth proportional to 7,236.72, 10,793.84 and 7,017.92 is: 10,467.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.72 : 10,793.84 = 7,017.92 : x
  2. Step 2: Convert to fraction form
    7,236.72/10,793.84 = 7,017.92/x
  3. Step 3: Cross multiply
    7,236.72x = 10,793.84 × 7,017.92
  4. Step 4: Simplify right side
    7,236.72x = 75,750,305.61
  5. Step 5: Solve for x
    x = 75,750,305.61/7,236.72
  6. Step 6: Final answer
    x = 10,467.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.