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Finding the Fourth Proportional to 2,788.01, 3,846.11 and 1,792.92

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Solution

The fourth proportional to 2,788.01, 3,846.11 and 1,792.92 is: 2,473.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.01 : 3,846.11 = 1,792.92 : x
  2. Step 2: Convert to fraction form
    2,788.01/3,846.11 = 1,792.92/x
  3. Step 3: Cross multiply
    2,788.01x = 3,846.11 × 1,792.92
  4. Step 4: Simplify right side
    2,788.01x = 6,895,767.54
  5. Step 5: Solve for x
    x = 6,895,767.54/2,788.01
  6. Step 6: Final answer
    x = 2,473.37

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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.