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Finding the Fourth Proportional to 5,581.66, 8,378.64 and 3,244.30

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Solution

The fourth proportional to 5,581.66, 8,378.64 and 3,244.30 is: 4,870.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.66 : 8,378.64 = 3,244.30 : x
  2. Step 2: Convert to fraction form
    5,581.66/8,378.64 = 3,244.30/x
  3. Step 3: Cross multiply
    5,581.66x = 8,378.64 × 3,244.30
  4. Step 4: Simplify right side
    5,581.66x = 27,182,821.75
  5. Step 5: Solve for x
    x = 27,182,821.75/5,581.66
  6. Step 6: Final answer
    x = 4,870.02

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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.