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Finding the Fourth Proportional to 61,059.80, 84,261.27 and 33,833.24

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Solution

The fourth proportional to 61,059.80, 84,261.27 and 33,833.24 is: 46,689.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,059.80 : 84,261.27 = 33,833.24 : x
  2. Step 2: Convert to fraction form
    61,059.80/84,261.27 = 33,833.24/x
  3. Step 3: Cross multiply
    61,059.80x = 84,261.27 × 33,833.24
  4. Step 4: Simplify right side
    61,059.80x = 2,850,831,770.61
  5. Step 5: Solve for x
    x = 2,850,831,770.61/61,059.80
  6. Step 6: Final answer
    x = 46,689.18

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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.