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Finding the Fourth Proportional to 62,310.78, 85,993.79 and 35,454.42

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Solution

The fourth proportional to 62,310.78, 85,993.79 and 35,454.42 is: 48,929.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,310.78 : 85,993.79 = 35,454.42 : x
  2. Step 2: Convert to fraction form
    62,310.78/85,993.79 = 35,454.42/x
  3. Step 3: Cross multiply
    62,310.78x = 85,993.79 × 35,454.42
  4. Step 4: Simplify right side
    62,310.78x = 3,048,859,770.78
  5. Step 5: Solve for x
    x = 3,048,859,770.78/62,310.78
  6. Step 6: Final answer
    x = 48,929.89

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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.