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Finding the Fourth Proportional to 61,768.62, 85,253.31 and 34,912.26

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Solution

The fourth proportional to 61,768.62, 85,253.31 and 34,912.26 is: 48,186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,768.62 : 85,253.31 = 34,912.26 : x
  2. Step 2: Convert to fraction form
    61,768.62/85,253.31 = 34,912.26/x
  3. Step 3: Cross multiply
    61,768.62x = 85,253.31 × 34,912.26
  4. Step 4: Simplify right side
    61,768.62x = 2,976,385,724.58
  5. Step 5: Solve for x
    x = 2,976,385,724.58/61,768.62
  6. Step 6: Final answer
    x = 48,186.05

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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.