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Finding the Fourth Proportional to 1,596.38, 2,203.13 and 897.75

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Solution

The fourth proportional to 1,596.38, 2,203.13 and 897.75 is: 1,238.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,596.38 : 2,203.13 = 897.75 : x
  2. Step 2: Convert to fraction form
    1,596.38/2,203.13 = 897.75/x
  3. Step 3: Cross multiply
    1,596.38x = 2,203.13 × 897.75
  4. Step 4: Simplify right side
    1,596.38x = 1,977,862.20
  5. Step 5: Solve for x
    x = 1,977,862.20/1,596.38
  6. Step 6: Final answer
    x = 1,238.97

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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.