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Finding the Fourth Proportional to 61,602.93, 92,415.78 and 19,493.61

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Solution

The fourth proportional to 61,602.93, 92,415.78 and 19,493.61 is: 29,244.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,602.93 : 92,415.78 = 19,493.61 : x
  2. Step 2: Convert to fraction form
    61,602.93/92,415.78 = 19,493.61/x
  3. Step 3: Cross multiply
    61,602.93x = 92,415.78 × 19,493.61
  4. Step 4: Simplify right side
    61,602.93x = 1,801,517,173.17
  5. Step 5: Solve for x
    x = 1,801,517,173.17/61,602.93
  6. Step 6: Final answer
    x = 29,244.02

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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.