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Finding the Fourth Proportional to 1,701.75, 2,551.68 and 951.51

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Solution

The fourth proportional to 1,701.75, 2,551.68 and 951.51 is: 1,426.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.75 : 2,551.68 = 951.51 : x
  2. Step 2: Convert to fraction form
    1,701.75/2,551.68 = 951.51/x
  3. Step 3: Cross multiply
    1,701.75x = 2,551.68 × 951.51
  4. Step 4: Simplify right side
    1,701.75x = 2,427,949.04
  5. Step 5: Solve for x
    x = 2,427,949.04/1,701.75
  6. Step 6: Final answer
    x = 1,426.74

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1.5x scale

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.