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Finding the Fourth Proportional to 17,993.96, 24,834.70 and 13,291.88

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Solution

The fourth proportional to 17,993.96, 24,834.70 and 13,291.88 is: 18,345.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,993.96 : 24,834.70 = 13,291.88 : x
  2. Step 2: Convert to fraction form
    17,993.96/24,834.70 = 13,291.88/x
  3. Step 3: Cross multiply
    17,993.96x = 24,834.70 × 13,291.88
  4. Step 4: Simplify right side
    17,993.96x = 330,099,852.24
  5. Step 5: Solve for x
    x = 330,099,852.24/17,993.96
  6. Step 6: Final answer
    x = 18,345.04

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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.