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Finding the Fourth Proportional to 1,847.52, 2,772.41 and 807.53

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Solution

The fourth proportional to 1,847.52, 2,772.41 and 807.53 is: 1,211.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.52 : 2,772.41 = 807.53 : x
  2. Step 2: Convert to fraction form
    1,847.52/2,772.41 = 807.53/x
  3. Step 3: Cross multiply
    1,847.52x = 2,772.41 × 807.53
  4. Step 4: Simplify right side
    1,847.52x = 2,238,804.25
  5. Step 5: Solve for x
    x = 2,238,804.25/1,847.52
  6. Step 6: Final answer
    x = 1,211.79

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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.