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Finding the Fourth Proportional to 61,393.90, 92,034.96 and 21,941.77

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Solution

The fourth proportional to 61,393.90, 92,034.96 and 21,941.77 is: 32,892.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,393.90 : 92,034.96 = 21,941.77 : x
  2. Step 2: Convert to fraction form
    61,393.90/92,034.96 = 21,941.77/x
  3. Step 3: Cross multiply
    61,393.90x = 92,034.96 × 21,941.77
  4. Step 4: Simplify right side
    61,393.90x = 2,019,409,924.28
  5. Step 5: Solve for x
    x = 2,019,409,924.28/61,393.90
  6. Step 6: Final answer
    x = 32,892.68

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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.