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Finding the Fourth Proportional to 73,396.82, 101,288.13 and 39,862.82

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Solution

The fourth proportional to 73,396.82, 101,288.13 and 39,862.82 is: 55,010.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,396.82 : 101,288.13 = 39,862.82 : x
  2. Step 2: Convert to fraction form
    73,396.82/101,288.13 = 39,862.82/x
  3. Step 3: Cross multiply
    73,396.82x = 101,288.13 × 39,862.82
  4. Step 4: Simplify right side
    73,396.82x = 4,037,630,494.33
  5. Step 5: Solve for x
    x = 4,037,630,494.33/73,396.82
  6. Step 6: Final answer
    x = 55,010.97

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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.