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Finding the Fourth Proportional to 5,874.41, 8,809.92 and 1,815.63

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Solution

The fourth proportional to 5,874.41, 8,809.92 and 1,815.63 is: 2,722.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.41 : 8,809.92 = 1,815.63 : x
  2. Step 2: Convert to fraction form
    5,874.41/8,809.92 = 1,815.63/x
  3. Step 3: Cross multiply
    5,874.41x = 8,809.92 × 1,815.63
  4. Step 4: Simplify right side
    5,874.41x = 15,995,555.05
  5. Step 5: Solve for x
    x = 15,995,555.05/5,874.41
  6. Step 6: Final answer
    x = 2,722.92

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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.