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Finding the Fourth Proportional to 4,738.71, 7,108.08 and 1,963.53

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Solution

The fourth proportional to 4,738.71, 7,108.08 and 1,963.53 is: 2,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.71 : 7,108.08 = 1,963.53 : x
  2. Step 2: Convert to fraction form
    4,738.71/7,108.08 = 1,963.53/x
  3. Step 3: Cross multiply
    4,738.71x = 7,108.08 × 1,963.53
  4. Step 4: Simplify right side
    4,738.71x = 13,956,920.96
  5. Step 5: Solve for x
    x = 13,956,920.96/4,738.71
  6. Step 6: Final answer
    x = 2,945.30

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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.