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Finding the Fourth Proportional to 1,632.62, 2,253 and 933.99

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Solution

The fourth proportional to 1,632.62, 2,253 and 933.99 is: 1,288.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.62 : 2,253 = 933.99 : x
  2. Step 2: Convert to fraction form
    1,632.62/2,253 = 933.99/x
  3. Step 3: Cross multiply
    1,632.62x = 2,253 × 933.99
  4. Step 4: Simplify right side
    1,632.62x = 2,104,279.47
  5. Step 5: Solve for x
    x = 2,104,279.47/1,632.62
  6. Step 6: Final answer
    x = 1,288.90

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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.