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Finding the Fourth Proportional to 1,860.57, 2,801.63 and 1,344.08

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Solution

The fourth proportional to 1,860.57, 2,801.63 and 1,344.08 is: 2,023.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.57 : 2,801.63 = 1,344.08 : x
  2. Step 2: Convert to fraction form
    1,860.57/2,801.63 = 1,344.08/x
  3. Step 3: Cross multiply
    1,860.57x = 2,801.63 × 1,344.08
  4. Step 4: Simplify right side
    1,860.57x = 3,765,625.21
  5. Step 5: Solve for x
    x = 3,765,625.21/1,860.57
  6. Step 6: Final answer
    x = 2,023.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.