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Finding the Fourth Proportional to 16,661.79, 22,993.29 and 9,589.59

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Solution

The fourth proportional to 16,661.79, 22,993.29 and 9,589.59 is: 13,233.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,661.79 : 22,993.29 = 9,589.59 : x
  2. Step 2: Convert to fraction form
    16,661.79/22,993.29 = 9,589.59/x
  3. Step 3: Cross multiply
    16,661.79x = 22,993.29 × 9,589.59
  4. Step 4: Simplify right side
    16,661.79x = 220,496,223.85
  5. Step 5: Solve for x
    x = 220,496,223.85/16,661.79
  6. Step 6: Final answer
    x = 13,233.65

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Double scale
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Similar ratio
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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.