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Finding the Fourth Proportional to 2,528.12, 3,792.17 and 884.66

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Solution

The fourth proportional to 2,528.12, 3,792.17 and 884.66 is: 1,326.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.12 : 3,792.17 = 884.66 : x
  2. Step 2: Convert to fraction form
    2,528.12/3,792.17 = 884.66/x
  3. Step 3: Cross multiply
    2,528.12x = 3,792.17 × 884.66
  4. Step 4: Simplify right side
    2,528.12x = 3,354,764.36
  5. Step 5: Solve for x
    x = 3,354,764.36/2,528.12
  6. Step 6: Final answer
    x = 1,326.98

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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.