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Finding the Fourth Proportional to 61,083.21, 84,293.68 and 33,858.84

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Solution

The fourth proportional to 61,083.21, 84,293.68 and 33,858.84 is: 46,724.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,083.21 : 84,293.68 = 33,858.84 : x
  2. Step 2: Convert to fraction form
    61,083.21/84,293.68 = 33,858.84/x
  3. Step 3: Cross multiply
    61,083.21x = 84,293.68 × 33,858.84
  4. Step 4: Simplify right side
    61,083.21x = 2,854,086,224.13
  5. Step 5: Solve for x
    x = 2,854,086,224.13/61,083.21
  6. Step 6: Final answer
    x = 46,724.56

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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.