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Finding the Fourth Proportional to 2,801.00, 4,201.80 and 1,046.84

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Solution

The fourth proportional to 2,801.00, 4,201.80 and 1,046.84 is: 1,570.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801.00 : 4,201.80 = 1,046.84 : x
  2. Step 2: Convert to fraction form
    2,801.00/4,201.80 = 1,046.84/x
  3. Step 3: Cross multiply
    2,801.00x = 4,201.80 × 1,046.84
  4. Step 4: Simplify right side
    2,801.00x = 4,398,613.96
  5. Step 5: Solve for x
    x = 4,398,613.96/2,801.00
  6. Step 6: Final answer
    x = 1,570.37

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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.