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Finding the Fourth Proportional to 61,627.42, 92,603.68 and 33,185.40

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Solution

The fourth proportional to 61,627.42, 92,603.68 and 33,185.40 is: 49,865.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,627.42 : 92,603.68 = 33,185.40 : x
  2. Step 2: Convert to fraction form
    61,627.42/92,603.68 = 33,185.40/x
  3. Step 3: Cross multiply
    61,627.42x = 92,603.68 × 33,185.40
  4. Step 4: Simplify right side
    61,627.42x = 3,073,090,439.61
  5. Step 5: Solve for x
    x = 3,073,090,439.61/61,627.42
  6. Step 6: Final answer
    x = 49,865.63

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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.