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Finding the Fourth Proportional to 61,822.88, 85,315.44 and 33,528.48

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Solution

The fourth proportional to 61,822.88, 85,315.44 and 33,528.48 is: 46,269.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,822.88 : 85,315.44 = 33,528.48 : x
  2. Step 2: Convert to fraction form
    61,822.88/85,315.44 = 33,528.48/x
  3. Step 3: Cross multiply
    61,822.88x = 85,315.44 × 33,528.48
  4. Step 4: Simplify right side
    61,822.88x = 2,860,497,023.73
  5. Step 5: Solve for x
    x = 2,860,497,023.73/61,822.88
  6. Step 6: Final answer
    x = 46,269.23

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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.