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Finding the Fourth Proportional to 1,964.52, 2,949.72 and 1,701.78

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Solution

The fourth proportional to 1,964.52, 2,949.72 and 1,701.78 is: 2,555.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.52 : 2,949.72 = 1,701.78 : x
  2. Step 2: Convert to fraction form
    1,964.52/2,949.72 = 1,701.78/x
  3. Step 3: Cross multiply
    1,964.52x = 2,949.72 × 1,701.78
  4. Step 4: Simplify right side
    1,964.52x = 5,019,774.50
  5. Step 5: Solve for x
    x = 5,019,774.50/1,964.52
  6. Step 6: Final answer
    x = 2,555.22

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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.