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Finding the Fourth Proportional to 8,667.86, 13,001.24 and 2,511.86

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Solution

The fourth proportional to 8,667.86, 13,001.24 and 2,511.86 is: 3,767.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667.86 : 13,001.24 = 2,511.86 : x
  2. Step 2: Convert to fraction form
    8,667.86/13,001.24 = 2,511.86/x
  3. Step 3: Cross multiply
    8,667.86x = 13,001.24 × 2,511.86
  4. Step 4: Simplify right side
    8,667.86x = 32,657,294.71
  5. Step 5: Solve for x
    x = 32,657,294.71/8,667.86
  6. Step 6: Final answer
    x = 3,767.63

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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.