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Finding the Fourth Proportional to 23,993.67, 33,113.84 and 13,386.99

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Solution

The fourth proportional to 23,993.67, 33,113.84 and 13,386.99 is: 18,475.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,993.67 : 33,113.84 = 13,386.99 : x
  2. Step 2: Convert to fraction form
    23,993.67/33,113.84 = 13,386.99/x
  3. Step 3: Cross multiply
    23,993.67x = 33,113.84 × 13,386.99
  4. Step 4: Simplify right side
    23,993.67x = 443,294,578.01
  5. Step 5: Solve for x
    x = 443,294,578.01/23,993.67
  6. Step 6: Final answer
    x = 18,475.48

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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.