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Finding the Fourth Proportional to 61,524.42, 92,301.03 and 19,971.42

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Solution

The fourth proportional to 61,524.42, 92,301.03 and 19,971.42 is: 29,961.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,524.42 : 92,301.03 = 19,971.42 : x
  2. Step 2: Convert to fraction form
    61,524.42/92,301.03 = 19,971.42/x
  3. Step 3: Cross multiply
    61,524.42x = 92,301.03 × 19,971.42
  4. Step 4: Simplify right side
    61,524.42x = 1,843,382,636.56
  5. Step 5: Solve for x
    x = 1,843,382,636.56/61,524.42
  6. Step 6: Final answer
    x = 29,961.80

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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.