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Finding the Fourth Proportional to 61,652.31, 85,080 and 34,794.73

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Solution

The fourth proportional to 61,652.31, 85,080 and 34,794.73 is: 48,016.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,652.31 : 85,080 = 34,794.73 : x
  2. Step 2: Convert to fraction form
    61,652.31/85,080 = 34,794.73/x
  3. Step 3: Cross multiply
    61,652.31x = 85,080 × 34,794.73
  4. Step 4: Simplify right side
    61,652.31x = 2,960,335,628.40
  5. Step 5: Solve for x
    x = 2,960,335,628.40/61,652.31
  6. Step 6: Final answer
    x = 48,016.62

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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.