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Finding the Fourth Proportional to 7,305.24, 10,149.24 and 7,217.76

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Solution

The fourth proportional to 7,305.24, 10,149.24 and 7,217.76 is: 10,027.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.24 : 10,149.24 = 7,217.76 : x
  2. Step 2: Convert to fraction form
    7,305.24/10,149.24 = 7,217.76/x
  3. Step 3: Cross multiply
    7,305.24x = 10,149.24 × 7,217.76
  4. Step 4: Simplify right side
    7,305.24x = 73,254,778.50
  5. Step 5: Solve for x
    x = 73,254,778.50/7,305.24
  6. Step 6: Final answer
    x = 10,027.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.