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Finding the Fourth Proportional to 16,512.75, 22,787.61 and 9,060.75

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Solution

The fourth proportional to 16,512.75, 22,787.61 and 9,060.75 is: 12,503.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,512.75 : 22,787.61 = 9,060.75 : x
  2. Step 2: Convert to fraction form
    16,512.75/22,787.61 = 9,060.75/x
  3. Step 3: Cross multiply
    16,512.75x = 22,787.61 × 9,060.75
  4. Step 4: Simplify right side
    16,512.75x = 206,472,837.31
  5. Step 5: Solve for x
    x = 206,472,837.31/16,512.75
  6. Step 6: Final answer
    x = 12,503.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.