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Finding the Fourth Proportional to 2,348.01, 3,518.97 and 959.73

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Solution

The fourth proportional to 2,348.01, 3,518.97 and 959.73 is: 1,438.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.01 : 3,518.97 = 959.73 : x
  2. Step 2: Convert to fraction form
    2,348.01/3,518.97 = 959.73/x
  3. Step 3: Cross multiply
    2,348.01x = 3,518.97 × 959.73
  4. Step 4: Simplify right side
    2,348.01x = 3,377,261.08
  5. Step 5: Solve for x
    x = 3,377,261.08/2,348.01
  6. Step 6: Final answer
    x = 1,438.35

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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.