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Finding the Fourth Proportional to 2,523.91, 3,785.88 and 880.45

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Solution

The fourth proportional to 2,523.91, 3,785.88 and 880.45 is: 1,320.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,523.91 : 3,785.88 = 880.45 : x
  2. Step 2: Convert to fraction form
    2,523.91/3,785.88 = 880.45/x
  3. Step 3: Cross multiply
    2,523.91x = 3,785.88 × 880.45
  4. Step 4: Simplify right side
    2,523.91x = 3,333,278.05
  5. Step 5: Solve for x
    x = 3,333,278.05/2,523.91
  6. Step 6: Final answer
    x = 1,320.68

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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.