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Finding the Fourth Proportional to 61,775.98, 85,251 and 33,481.66

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Solution

The fourth proportional to 61,775.98, 85,251 and 33,481.66 is: 46,204.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,775.98 : 85,251 = 33,481.66 : x
  2. Step 2: Convert to fraction form
    61,775.98/85,251 = 33,481.66/x
  3. Step 3: Cross multiply
    61,775.98x = 85,251 × 33,481.66
  4. Step 4: Simplify right side
    61,775.98x = 2,854,344,996.66
  5. Step 5: Solve for x
    x = 2,854,344,996.66/61,775.98
  6. Step 6: Final answer
    x = 46,204.77

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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.