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Finding the Fourth Proportional to 8,992.46, 13,491.30 and 2,667.50

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Solution

The fourth proportional to 8,992.46, 13,491.30 and 2,667.50 is: 4,002.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992.46 : 13,491.30 = 2,667.50 : x
  2. Step 2: Convert to fraction form
    8,992.46/13,491.30 = 2,667.50/x
  3. Step 3: Cross multiply
    8,992.46x = 13,491.30 × 2,667.50
  4. Step 4: Simplify right side
    8,992.46x = 35,988,042.75
  5. Step 5: Solve for x
    x = 35,988,042.75/8,992.46
  6. Step 6: Final answer
    x = 4,002.02

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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.