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Finding the Fourth Proportional to 6,712.69, 9,262.94 and 3,687.71

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Solution

The fourth proportional to 6,712.69, 9,262.94 and 3,687.71 is: 5,088.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712.69 : 9,262.94 = 3,687.71 : x
  2. Step 2: Convert to fraction form
    6,712.69/9,262.94 = 3,687.71/x
  3. Step 3: Cross multiply
    6,712.69x = 9,262.94 × 3,687.71
  4. Step 4: Simplify right side
    6,712.69x = 34,159,099.20
  5. Step 5: Solve for x
    x = 34,159,099.20/6,712.69
  6. Step 6: Final answer
    x = 5,088.74

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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.