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Finding the Fourth Proportional to 18,040.92, 24,880.30 and 15,026.05

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Solution

The fourth proportional to 18,040.92, 24,880.30 and 15,026.05 is: 20,722.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,040.92 : 24,880.30 = 15,026.05 : x
  2. Step 2: Convert to fraction form
    18,040.92/24,880.30 = 15,026.05/x
  3. Step 3: Cross multiply
    18,040.92x = 24,880.30 × 15,026.05
  4. Step 4: Simplify right side
    18,040.92x = 373,852,556.68
  5. Step 5: Solve for x
    x = 373,852,556.68/18,040.92
  6. Step 6: Final answer
    x = 20,722.48

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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.