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Finding the Fourth Proportional to 6,715.96, 9,269.12 and 3,732.76

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Solution

The fourth proportional to 6,715.96, 9,269.12 and 3,732.76 is: 5,151.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.96 : 9,269.12 = 3,732.76 : x
  2. Step 2: Convert to fraction form
    6,715.96/9,269.12 = 3,732.76/x
  3. Step 3: Cross multiply
    6,715.96x = 9,269.12 × 3,732.76
  4. Step 4: Simplify right side
    6,715.96x = 34,599,400.37
  5. Step 5: Solve for x
    x = 34,599,400.37/6,715.96
  6. Step 6: Final answer
    x = 5,151.82

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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.