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Finding the Fourth Proportional to 61,996.74, 85,553.70 and 35,141.72

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Solution

The fourth proportional to 61,996.74, 85,553.70 and 35,141.72 is: 48,494.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,996.74 : 85,553.70 = 35,141.72 : x
  2. Step 2: Convert to fraction form
    61,996.74/85,553.70 = 35,141.72/x
  3. Step 3: Cross multiply
    61,996.74x = 85,553.70 × 35,141.72
  4. Step 4: Simplify right side
    61,996.74x = 3,006,504,170.36
  5. Step 5: Solve for x
    x = 3,006,504,170.36/61,996.74
  6. Step 6: Final answer
    x = 48,494.55

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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.