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Finding the Fourth Proportional to 61,391.04, 92,087 and 19,838.04

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Solution

The fourth proportional to 61,391.04, 92,087 and 19,838.04 is: 29,757.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,391.04 : 92,087 = 19,838.04 : x
  2. Step 2: Convert to fraction form
    61,391.04/92,087 = 19,838.04/x
  3. Step 3: Cross multiply
    61,391.04x = 92,087 × 19,838.04
  4. Step 4: Simplify right side
    61,391.04x = 1,826,825,589.48
  5. Step 5: Solve for x
    x = 1,826,825,589.48/61,391.04
  6. Step 6: Final answer
    x = 29,757.20

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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.