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Finding the Fourth Proportional to 19,024.92, 28,540.94 and 5,874.20

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Solution

The fourth proportional to 19,024.92, 28,540.94 and 5,874.20 is: 8,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,024.92 : 28,540.94 = 5,874.20 : x
  2. Step 2: Convert to fraction form
    19,024.92/28,540.94 = 5,874.20/x
  3. Step 3: Cross multiply
    19,024.92x = 28,540.94 × 5,874.20
  4. Step 4: Simplify right side
    19,024.92x = 167,655,189.75
  5. Step 5: Solve for x
    x = 167,655,189.75/19,024.92
  6. Step 6: Final answer
    x = 8,812.40

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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.