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Finding the Fourth Proportional to 8,366.59, 12,549.82 and 2,126.62

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Solution

The fourth proportional to 8,366.59, 12,549.82 and 2,126.62 is: 3,189.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,366.59 : 12,549.82 = 2,126.62 : x
  2. Step 2: Convert to fraction form
    8,366.59/12,549.82 = 2,126.62/x
  3. Step 3: Cross multiply
    8,366.59x = 12,549.82 × 2,126.62
  4. Step 4: Simplify right side
    8,366.59x = 26,688,698.21
  5. Step 5: Solve for x
    x = 26,688,698.21/8,366.59
  6. Step 6: Final answer
    x = 3,189.91

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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.