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Finding the Fourth Proportional to 1,033.52, 1,426.60 and 703.04

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Solution

The fourth proportional to 1,033.52, 1,426.60 and 703.04 is: 970.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.52 : 1,426.60 = 703.04 : x
  2. Step 2: Convert to fraction form
    1,033.52/1,426.60 = 703.04/x
  3. Step 3: Cross multiply
    1,033.52x = 1,426.60 × 703.04
  4. Step 4: Simplify right side
    1,033.52x = 1,002,956.86
  5. Step 5: Solve for x
    x = 1,002,956.86/1,033.52
  6. Step 6: Final answer
    x = 970.43

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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.