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Finding the Fourth Proportional to 8,366.40, 12,551.40 and 2,523.60

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Solution

The fourth proportional to 8,366.40, 12,551.40 and 2,523.60 is: 3,785.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,366.40 : 12,551.40 = 2,523.60 : x
  2. Step 2: Convert to fraction form
    8,366.40/12,551.40 = 2,523.60/x
  3. Step 3: Cross multiply
    8,366.40x = 12,551.40 × 2,523.60
  4. Step 4: Simplify right side
    8,366.40x = 31,674,713.04
  5. Step 5: Solve for x
    x = 31,674,713.04/8,366.40
  6. Step 6: Final answer
    x = 3,785.94

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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.