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Finding the Fourth Proportional to 1,701.87, 2,551.00 and 969.88

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Solution

The fourth proportional to 1,701.87, 2,551.00 and 969.88 is: 1,453.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.87 : 2,551.00 = 969.88 : x
  2. Step 2: Convert to fraction form
    1,701.87/2,551.00 = 969.88/x
  3. Step 3: Cross multiply
    1,701.87x = 2,551.00 × 969.88
  4. Step 4: Simplify right side
    1,701.87x = 2,474,146.28
  5. Step 5: Solve for x
    x = 2,474,146.28/1,701.87
  6. Step 6: Final answer
    x = 1,453.78

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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.