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Finding the Fourth Proportional to 1,738.96, 2,609.40 and 969.04

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Solution

The fourth proportional to 1,738.96, 2,609.40 and 969.04 is: 1,454.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.96 : 2,609.40 = 969.04 : x
  2. Step 2: Convert to fraction form
    1,738.96/2,609.40 = 969.04/x
  3. Step 3: Cross multiply
    1,738.96x = 2,609.40 × 969.04
  4. Step 4: Simplify right side
    1,738.96x = 2,528,612.98
  5. Step 5: Solve for x
    x = 2,528,612.98/1,738.96
  6. Step 6: Final answer
    x = 1,454.09

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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.