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Finding the Fourth Proportional to 3,934.70, 5,902.07 and 1,466.63

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Solution

The fourth proportional to 3,934.70, 5,902.07 and 1,466.63 is: 2,199.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.70 : 5,902.07 = 1,466.63 : x
  2. Step 2: Convert to fraction form
    3,934.70/5,902.07 = 1,466.63/x
  3. Step 3: Cross multiply
    3,934.70x = 5,902.07 × 1,466.63
  4. Step 4: Simplify right side
    3,934.70x = 8,656,116.08
  5. Step 5: Solve for x
    x = 8,656,116.08/3,934.70
  6. Step 6: Final answer
    x = 2,199.95

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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.