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Finding the Fourth Proportional to 15,993.44, 23,954.88 and 9,418.40

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Solution

The fourth proportional to 15,993.44, 23,954.88 and 9,418.40 is: 14,106.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,993.44 : 23,954.88 = 9,418.40 : x
  2. Step 2: Convert to fraction form
    15,993.44/23,954.88 = 9,418.40/x
  3. Step 3: Cross multiply
    15,993.44x = 23,954.88 × 9,418.40
  4. Step 4: Simplify right side
    15,993.44x = 225,616,641.79
  5. Step 5: Solve for x
    x = 225,616,641.79/15,993.44
  6. Step 6: Final answer
    x = 14,106.82

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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.