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Finding the Fourth Proportional to 1,835.35, 2,753.03 and 960.55

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Solution

The fourth proportional to 1,835.35, 2,753.03 and 960.55 is: 1,440.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.35 : 2,753.03 = 960.55 : x
  2. Step 2: Convert to fraction form
    1,835.35/2,753.03 = 960.55/x
  3. Step 3: Cross multiply
    1,835.35x = 2,753.03 × 960.55
  4. Step 4: Simplify right side
    1,835.35x = 2,644,418.16
  5. Step 5: Solve for x
    x = 2,644,418.16/1,835.35
  6. Step 6: Final answer
    x = 1,440.83

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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.