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Finding the Fourth Proportional to 1,879.62, 2,593.88 and 1,133.43

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Solution

The fourth proportional to 1,879.62, 2,593.88 and 1,133.43 is: 1,564.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879.62 : 2,593.88 = 1,133.43 : x
  2. Step 2: Convert to fraction form
    1,879.62/2,593.88 = 1,133.43/x
  3. Step 3: Cross multiply
    1,879.62x = 2,593.88 × 1,133.43
  4. Step 4: Simplify right side
    1,879.62x = 2,939,981.41
  5. Step 5: Solve for x
    x = 2,939,981.41/1,879.62
  6. Step 6: Final answer
    x = 1,564.14

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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.