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Finding the Fourth Proportional to 1,603.62, 2,213.04 and 895.52

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Solution

The fourth proportional to 1,603.62, 2,213.04 and 895.52 is: 1,235.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603.62 : 2,213.04 = 895.52 : x
  2. Step 2: Convert to fraction form
    1,603.62/2,213.04 = 895.52/x
  3. Step 3: Cross multiply
    1,603.62x = 2,213.04 × 895.52
  4. Step 4: Simplify right side
    1,603.62x = 1,981,821.58
  5. Step 5: Solve for x
    x = 1,981,821.58/1,603.62
  6. Step 6: Final answer
    x = 1,235.84

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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.