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Finding the Fourth Proportional to 5,755.68, 8,626.16 and 3,674.88

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Solution

The fourth proportional to 5,755.68, 8,626.16 and 3,674.88 is: 5,507.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,755.68 : 8,626.16 = 3,674.88 : x
  2. Step 2: Convert to fraction form
    5,755.68/8,626.16 = 3,674.88/x
  3. Step 3: Cross multiply
    5,755.68x = 8,626.16 × 3,674.88
  4. Step 4: Simplify right side
    5,755.68x = 31,700,102.86
  5. Step 5: Solve for x
    x = 31,700,102.86/5,755.68
  6. Step 6: Final answer
    x = 5,507.62

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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.