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Finding the Fourth Proportional to 2,956.69, 4,434.02 and 1,008.43

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Solution

The fourth proportional to 2,956.69, 4,434.02 and 1,008.43 is: 1,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.69 : 4,434.02 = 1,008.43 : x
  2. Step 2: Convert to fraction form
    2,956.69/4,434.02 = 1,008.43/x
  3. Step 3: Cross multiply
    2,956.69x = 4,434.02 × 1,008.43
  4. Step 4: Simplify right side
    2,956.69x = 4,471,393.75
  5. Step 5: Solve for x
    x = 4,471,393.75/2,956.69
  6. Step 6: Final answer
    x = 1,512.30

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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.