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Finding the Fourth Proportional to 8,667.71, 13,002.39 and 2,427.74

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Solution

The fourth proportional to 8,667.71, 13,002.39 and 2,427.74 is: 3,641.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667.71 : 13,002.39 = 2,427.74 : x
  2. Step 2: Convert to fraction form
    8,667.71/13,002.39 = 2,427.74/x
  3. Step 3: Cross multiply
    8,667.71x = 13,002.39 × 2,427.74
  4. Step 4: Simplify right side
    8,667.71x = 31,566,422.30
  5. Step 5: Solve for x
    x = 31,566,422.30/8,667.71
  6. Step 6: Final answer
    x = 3,641.84

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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.