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Finding the Fourth Proportional to 61,489.99, 92,247.95 and 19,933.75

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Solution

The fourth proportional to 61,489.99, 92,247.95 and 19,933.75 is: 29,904.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,489.99 : 92,247.95 = 19,933.75 : x
  2. Step 2: Convert to fraction form
    61,489.99/92,247.95 = 19,933.75/x
  3. Step 3: Cross multiply
    61,489.99x = 92,247.95 × 19,933.75
  4. Step 4: Simplify right side
    61,489.99x = 1,838,847,573.31
  5. Step 5: Solve for x
    x = 1,838,847,573.31/61,489.99
  6. Step 6: Final answer
    x = 29,904.83

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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.