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Finding the Fourth Proportional to 61,689.64, 92,515.32 and 22,241.64

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Solution

The fourth proportional to 61,689.64, 92,515.32 and 22,241.64 is: 33,355.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,689.64 : 92,515.32 = 22,241.64 : x
  2. Step 2: Convert to fraction form
    61,689.64/92,515.32 = 22,241.64/x
  3. Step 3: Cross multiply
    61,689.64x = 92,515.32 × 22,241.64
  4. Step 4: Simplify right side
    61,689.64x = 2,057,692,441.92
  5. Step 5: Solve for x
    x = 2,057,692,441.92/61,689.64
  6. Step 6: Final answer
    x = 33,355.56

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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.