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Finding the Fourth Proportional to 61,242.44, 84,517.74 and 34,383.56

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Solution

The fourth proportional to 61,242.44, 84,517.74 and 34,383.56 is: 47,451.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,242.44 : 84,517.74 = 34,383.56 : x
  2. Step 2: Convert to fraction form
    61,242.44/84,517.74 = 34,383.56/x
  3. Step 3: Cross multiply
    61,242.44x = 84,517.74 × 34,383.56
  4. Step 4: Simplify right side
    61,242.44x = 2,906,020,784.35
  5. Step 5: Solve for x
    x = 2,906,020,784.35/61,242.44
  6. Step 6: Final answer
    x = 47,451.09

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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.