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Finding the Fourth Proportional to 2,524.40, 3,785.68 and 880.48

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Solution

The fourth proportional to 2,524.40, 3,785.68 and 880.48 is: 1,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,524.40 : 3,785.68 = 880.48 : x
  2. Step 2: Convert to fraction form
    2,524.40/3,785.68 = 880.48/x
  3. Step 3: Cross multiply
    2,524.40x = 3,785.68 × 880.48
  4. Step 4: Simplify right side
    2,524.40x = 3,333,215.53
  5. Step 5: Solve for x
    x = 3,333,215.53/2,524.40
  6. Step 6: Final answer
    x = 1,320.40

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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.