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Finding the Fourth Proportional to 61,241.33, 91,861.95 and 19,125.02

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Solution

The fourth proportional to 61,241.33, 91,861.95 and 19,125.02 is: 28,687.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,241.33 : 91,861.95 = 19,125.02 : x
  2. Step 2: Convert to fraction form
    61,241.33/91,861.95 = 19,125.02/x
  3. Step 3: Cross multiply
    61,241.33x = 91,861.95 × 19,125.02
  4. Step 4: Simplify right side
    61,241.33x = 1,756,861,219.49
  5. Step 5: Solve for x
    x = 1,756,861,219.49/61,241.33
  6. Step 6: Final answer
    x = 28,687.51

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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.