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Finding the Fourth Proportional to 61,725.88, 92,569.72 and 22,278

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Solution

The fourth proportional to 61,725.88, 92,569.72 and 22,278 is: 33,410.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,725.88 : 92,569.72 = 22,278 : x
  2. Step 2: Convert to fraction form
    61,725.88/92,569.72 = 22,278/x
  3. Step 3: Cross multiply
    61,725.88x = 92,569.72 × 22,278
  4. Step 4: Simplify right side
    61,725.88x = 2,062,268,222.16
  5. Step 5: Solve for x
    x = 2,062,268,222.16/61,725.88
  6. Step 6: Final answer
    x = 33,410.11

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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.