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Finding the Fourth Proportional to 22,893.75, 34,393.42 and 21,947.91

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Solution

The fourth proportional to 22,893.75, 34,393.42 and 21,947.91 is: 32,972.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,893.75 : 34,393.42 = 21,947.91 : x
  2. Step 2: Convert to fraction form
    22,893.75/34,393.42 = 21,947.91/x
  3. Step 3: Cross multiply
    22,893.75x = 34,393.42 × 21,947.91
  4. Step 4: Simplify right side
    22,893.75x = 754,863,405.05
  5. Step 5: Solve for x
    x = 754,863,405.05/22,893.75
  6. Step 6: Final answer
    x = 32,972.47

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1.5x scale

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.