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Finding the Fourth Proportional to 61,687.16, 92,475.16 and 22,216.52

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Solution

The fourth proportional to 61,687.16, 92,475.16 and 22,216.52 is: 33,304.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,687.16 : 92,475.16 = 22,216.52 : x
  2. Step 2: Convert to fraction form
    61,687.16/92,475.16 = 22,216.52/x
  3. Step 3: Cross multiply
    61,687.16x = 92,475.16 × 22,216.52
  4. Step 4: Simplify right side
    61,687.16x = 2,054,476,241.64
  5. Step 5: Solve for x
    x = 2,054,476,241.64/61,687.16
  6. Step 6: Final answer
    x = 33,304.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.