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Finding the Fourth Proportional to 23,993.40, 36,001.02 and 12,314.82

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Solution

The fourth proportional to 23,993.40, 36,001.02 and 12,314.82 is: 18,477.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,993.40 : 36,001.02 = 12,314.82 : x
  2. Step 2: Convert to fraction form
    23,993.40/36,001.02 = 12,314.82/x
  3. Step 3: Cross multiply
    23,993.40x = 36,001.02 × 12,314.82
  4. Step 4: Simplify right side
    23,993.40x = 443,346,081.12
  5. Step 5: Solve for x
    x = 443,346,081.12/23,993.40
  6. Step 6: Final answer
    x = 18,477.83

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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.