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Finding the Fourth Proportional to 2,589.53, 3,881.96 and 944.92

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Solution

The fourth proportional to 2,589.53, 3,881.96 and 944.92 is: 1,416.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589.53 : 3,881.96 = 944.92 : x
  2. Step 2: Convert to fraction form
    2,589.53/3,881.96 = 944.92/x
  3. Step 3: Cross multiply
    2,589.53x = 3,881.96 × 944.92
  4. Step 4: Simplify right side
    2,589.53x = 3,668,127.21
  5. Step 5: Solve for x
    x = 3,668,127.21/2,589.53
  6. Step 6: Final answer
    x = 1,416.53

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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.