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Finding the Fourth Proportional to 6,720.17, 9,269.24 and 6,162.48

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Solution

The fourth proportional to 6,720.17, 9,269.24 and 6,162.48 is: 8,500.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.17 : 9,269.24 = 6,162.48 : x
  2. Step 2: Convert to fraction form
    6,720.17/9,269.24 = 6,162.48/x
  3. Step 3: Cross multiply
    6,720.17x = 9,269.24 × 6,162.48
  4. Step 4: Simplify right side
    6,720.17x = 57,121,475.30
  5. Step 5: Solve for x
    x = 57,121,475.30/6,720.17
  6. Step 6: Final answer
    x = 8,500.01

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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.