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Finding the Fourth Proportional to 1,474.34, 2,035.13 and 884.86

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Solution

The fourth proportional to 1,474.34, 2,035.13 and 884.86 is: 1,221.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.34 : 2,035.13 = 884.86 : x
  2. Step 2: Convert to fraction form
    1,474.34/2,035.13 = 884.86/x
  3. Step 3: Cross multiply
    1,474.34x = 2,035.13 × 884.86
  4. Step 4: Simplify right side
    1,474.34x = 1,800,795.62
  5. Step 5: Solve for x
    x = 1,800,795.62/1,474.34
  6. Step 6: Final answer
    x = 1,221.43

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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.