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Finding the Fourth Proportional to 16,512.50, 22,787.26 and 9,060.50

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Solution

The fourth proportional to 16,512.50, 22,787.26 and 9,060.50 is: 12,503.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,512.50 : 22,787.26 = 9,060.50 : x
  2. Step 2: Convert to fraction form
    16,512.50/22,787.26 = 9,060.50/x
  3. Step 3: Cross multiply
    16,512.50x = 22,787.26 × 9,060.50
  4. Step 4: Simplify right side
    16,512.50x = 206,463,969.23
  5. Step 5: Solve for x
    x = 206,463,969.23/16,512.50
  6. Step 6: Final answer
    x = 12,503.50

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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.