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Finding the Fourth Proportional to 1,633.19, 2,445.57 and 901.94

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Solution

The fourth proportional to 1,633.19, 2,445.57 and 901.94 is: 1,350.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633.19 : 2,445.57 = 901.94 : x
  2. Step 2: Convert to fraction form
    1,633.19/2,445.57 = 901.94/x
  3. Step 3: Cross multiply
    1,633.19x = 2,445.57 × 901.94
  4. Step 4: Simplify right side
    1,633.19x = 2,205,745.18
  5. Step 5: Solve for x
    x = 2,205,745.18/1,633.19
  6. Step 6: Final answer
    x = 1,350.58

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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.