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Finding the Fourth Proportional to 2,951.59, 4,427.39 and 1,003.75

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Solution

The fourth proportional to 2,951.59, 4,427.39 and 1,003.75 is: 1,505.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.59 : 4,427.39 = 1,003.75 : x
  2. Step 2: Convert to fraction form
    2,951.59/4,427.39 = 1,003.75/x
  3. Step 3: Cross multiply
    2,951.59x = 4,427.39 × 1,003.75
  4. Step 4: Simplify right side
    2,951.59x = 4,443,992.71
  5. Step 5: Solve for x
    x = 4,443,992.71/2,951.59
  6. Step 6: Final answer
    x = 1,505.63

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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.