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Finding the Fourth Proportional to 60,266.52, 90,392.85 and 15,896.79

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Solution

The fourth proportional to 60,266.52, 90,392.85 and 15,896.79 is: 23,843.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,266.52 : 90,392.85 = 15,896.79 : x
  2. Step 2: Convert to fraction form
    60,266.52/90,392.85 = 15,896.79/x
  3. Step 3: Cross multiply
    60,266.52x = 90,392.85 × 15,896.79
  4. Step 4: Simplify right side
    60,266.52x = 1,436,956,153.95
  5. Step 5: Solve for x
    x = 1,436,956,153.95/60,266.52
  6. Step 6: Final answer
    x = 23,843.36

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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.