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Finding the Fourth Proportional to 1,704.02, 2,351.78 and 958.04

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Solution

The fourth proportional to 1,704.02, 2,351.78 and 958.04 is: 1,322.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.02 : 2,351.78 = 958.04 : x
  2. Step 2: Convert to fraction form
    1,704.02/2,351.78 = 958.04/x
  3. Step 3: Cross multiply
    1,704.02x = 2,351.78 × 958.04
  4. Step 4: Simplify right side
    1,704.02x = 2,253,099.31
  5. Step 5: Solve for x
    x = 2,253,099.31/1,704.02
  6. Step 6: Final answer
    x = 1,322.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.