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Finding the Fourth Proportional to 8,474.04, 12,713.22 and 2,630.70

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Solution

The fourth proportional to 8,474.04, 12,713.22 and 2,630.70 is: 3,946.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474.04 : 12,713.22 = 2,630.70 : x
  2. Step 2: Convert to fraction form
    8,474.04/12,713.22 = 2,630.70/x
  3. Step 3: Cross multiply
    8,474.04x = 12,713.22 × 2,630.70
  4. Step 4: Simplify right side
    8,474.04x = 33,444,667.85
  5. Step 5: Solve for x
    x = 33,444,667.85/8,474.04
  6. Step 6: Final answer
    x = 3,946.72

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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.