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Finding the Fourth Proportional to 62,300.80, 85,972.11 and 35,440.79

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Solution

The fourth proportional to 62,300.80, 85,972.11 and 35,440.79 is: 48,906.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,300.80 : 85,972.11 = 35,440.79 : x
  2. Step 2: Convert to fraction form
    62,300.80/85,972.11 = 35,440.79/x
  3. Step 3: Cross multiply
    62,300.80x = 85,972.11 × 35,440.79
  4. Step 4: Simplify right side
    62,300.80x = 3,046,919,516.87
  5. Step 5: Solve for x
    x = 3,046,919,516.87/62,300.80
  6. Step 6: Final answer
    x = 48,906.59

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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.