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Finding the Fourth Proportional to 2,951.90, 4,426.59 and 1,003.22

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Solution

The fourth proportional to 2,951.90, 4,426.59 and 1,003.22 is: 1,504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.90 : 4,426.59 = 1,003.22 : x
  2. Step 2: Convert to fraction form
    2,951.90/4,426.59 = 1,003.22/x
  3. Step 3: Cross multiply
    2,951.90x = 4,426.59 × 1,003.22
  4. Step 4: Simplify right side
    2,951.90x = 4,440,843.62
  5. Step 5: Solve for x
    x = 4,440,843.62/2,951.90
  6. Step 6: Final answer
    x = 1,504.40

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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.