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Finding the Fourth Proportional to 16,993.46, 25,498.53 and 7,640.08

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Solution

The fourth proportional to 16,993.46, 25,498.53 and 7,640.08 is: 11,463.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,993.46 : 25,498.53 = 7,640.08 : x
  2. Step 2: Convert to fraction form
    16,993.46/25,498.53 = 7,640.08/x
  3. Step 3: Cross multiply
    16,993.46x = 25,498.53 × 7,640.08
  4. Step 4: Simplify right side
    16,993.46x = 194,810,809.08
  5. Step 5: Solve for x
    x = 194,810,809.08/16,993.46
  6. Step 6: Final answer
    x = 11,463.87

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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.