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Finding the Fourth Proportional to 8,237.71, 12,358.53 and 2,691.07

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Solution

The fourth proportional to 8,237.71, 12,358.53 and 2,691.07 is: 4,037.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237.71 : 12,358.53 = 2,691.07 : x
  2. Step 2: Convert to fraction form
    8,237.71/12,358.53 = 2,691.07/x
  3. Step 3: Cross multiply
    8,237.71x = 12,358.53 × 2,691.07
  4. Step 4: Simplify right side
    8,237.71x = 33,257,669.33
  5. Step 5: Solve for x
    x = 33,257,669.33/8,237.71
  6. Step 6: Final answer
    x = 4,037.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.