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Finding the Fourth Proportional to 1,884.75, 2,601.25 and 1,801.69

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Solution

The fourth proportional to 1,884.75, 2,601.25 and 1,801.69 is: 2,486.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.75 : 2,601.25 = 1,801.69 : x
  2. Step 2: Convert to fraction form
    1,884.75/2,601.25 = 1,801.69/x
  3. Step 3: Cross multiply
    1,884.75x = 2,601.25 × 1,801.69
  4. Step 4: Simplify right side
    1,884.75x = 4,686,649.74
  5. Step 5: Solve for x
    x = 4,686,649.74/1,884.75
  6. Step 6: Final answer
    x = 2,486.61

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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.