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Finding the Fourth Proportional to 16,957.80, 25,436.70 and 11,052.90

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Solution

The fourth proportional to 16,957.80, 25,436.70 and 11,052.90 is: 16,579.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,957.80 : 25,436.70 = 11,052.90 : x
  2. Step 2: Convert to fraction form
    16,957.80/25,436.70 = 11,052.90/x
  3. Step 3: Cross multiply
    16,957.80x = 25,436.70 × 11,052.90
  4. Step 4: Simplify right side
    16,957.80x = 281,149,301.43
  5. Step 5: Solve for x
    x = 281,149,301.43/16,957.80
  6. Step 6: Final answer
    x = 16,579.35

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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.