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Finding the Fourth Proportional to 61,865.05, 85,373.99 and 33,570.73

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Solution

The fourth proportional to 61,865.05, 85,373.99 and 33,570.73 is: 46,327.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,865.05 : 85,373.99 = 33,570.73 : x
  2. Step 2: Convert to fraction form
    61,865.05/85,373.99 = 33,570.73/x
  3. Step 3: Cross multiply
    61,865.05x = 85,373.99 × 33,570.73
  4. Step 4: Simplify right side
    61,865.05x = 2,866,067,167.31
  5. Step 5: Solve for x
    x = 2,866,067,167.31/61,865.05
  6. Step 6: Final answer
    x = 46,327.73

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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.