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Finding the Fourth Proportional to 2,951.84, 4,426.14 and 1,003.28

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Solution

The fourth proportional to 2,951.84, 4,426.14 and 1,003.28 is: 1,504.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.84 : 4,426.14 = 1,003.28 : x
  2. Step 2: Convert to fraction form
    2,951.84/4,426.14 = 1,003.28/x
  3. Step 3: Cross multiply
    2,951.84x = 4,426.14 × 1,003.28
  4. Step 4: Simplify right side
    2,951.84x = 4,440,657.74
  5. Step 5: Solve for x
    x = 4,440,657.74/2,951.84
  6. Step 6: Final answer
    x = 1,504.37

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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.