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Finding the Fourth Proportional to 1,860.68, 2,789.22 and 886.52

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Solution

The fourth proportional to 1,860.68, 2,789.22 and 886.52 is: 1,328.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.68 : 2,789.22 = 886.52 : x
  2. Step 2: Convert to fraction form
    1,860.68/2,789.22 = 886.52/x
  3. Step 3: Cross multiply
    1,860.68x = 2,789.22 × 886.52
  4. Step 4: Simplify right side
    1,860.68x = 2,472,699.31
  5. Step 5: Solve for x
    x = 2,472,699.31/1,860.68
  6. Step 6: Final answer
    x = 1,328.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.