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Finding the Fourth Proportional to 61,602.42, 92,415.03 and 19,493.11

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Solution

The fourth proportional to 61,602.42, 92,415.03 and 19,493.11 is: 29,243.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,602.42 : 92,415.03 = 19,493.11 : x
  2. Step 2: Convert to fraction form
    61,602.42/92,415.03 = 19,493.11/x
  3. Step 3: Cross multiply
    61,602.42x = 92,415.03 × 19,493.11
  4. Step 4: Simplify right side
    61,602.42x = 1,801,456,345.44
  5. Step 5: Solve for x
    x = 1,801,456,345.44/61,602.42
  6. Step 6: Final answer
    x = 29,243.27

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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.