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Finding the Fourth Proportional to 8,523.56, 12,759.00 and 5,555.62

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Solution

The fourth proportional to 8,523.56, 12,759.00 and 5,555.62 is: 8,316.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,523.56 : 12,759.00 = 5,555.62 : x
  2. Step 2: Convert to fraction form
    8,523.56/12,759.00 = 5,555.62/x
  3. Step 3: Cross multiply
    8,523.56x = 12,759.00 × 5,555.62
  4. Step 4: Simplify right side
    8,523.56x = 70,884,105.67
  5. Step 5: Solve for x
    x = 70,884,105.67/8,523.56
  6. Step 6: Final answer
    x = 8,316.26

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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.