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Finding the Fourth Proportional to 2,599.81, 3,899.59 and 956.24

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Solution

The fourth proportional to 2,599.81, 3,899.59 and 956.24 is: 1,434.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599.81 : 3,899.59 = 956.24 : x
  2. Step 2: Convert to fraction form
    2,599.81/3,899.59 = 956.24/x
  3. Step 3: Cross multiply
    2,599.81x = 3,899.59 × 956.24
  4. Step 4: Simplify right side
    2,599.81x = 3,728,919.66
  5. Step 5: Solve for x
    x = 3,728,919.66/2,599.81
  6. Step 6: Final answer
    x = 1,434.31

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Similar ratio
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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.