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Finding the Fourth Proportional to 1,883.52, 2,808.50 and 1,879.92

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Solution

The fourth proportional to 1,883.52, 2,808.50 and 1,879.92 is: 2,803.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.52 : 2,808.50 = 1,879.92 : x
  2. Step 2: Convert to fraction form
    1,883.52/2,808.50 = 1,879.92/x
  3. Step 3: Cross multiply
    1,883.52x = 2,808.50 × 1,879.92
  4. Step 4: Simplify right side
    1,883.52x = 5,279,755.32
  5. Step 5: Solve for x
    x = 5,279,755.32/1,883.52
  6. Step 6: Final answer
    x = 2,803.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.