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Finding the Fourth Proportional to 1,216.59, 1,825.01 and 1,150.98

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Solution

The fourth proportional to 1,216.59, 1,825.01 and 1,150.98 is: 1,726.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216.59 : 1,825.01 = 1,150.98 : x
  2. Step 2: Convert to fraction form
    1,216.59/1,825.01 = 1,150.98/x
  3. Step 3: Cross multiply
    1,216.59x = 1,825.01 × 1,150.98
  4. Step 4: Simplify right side
    1,216.59x = 2,100,544.25
  5. Step 5: Solve for x
    x = 2,100,544.25/1,216.59
  6. Step 6: Final answer
    x = 1,726.58

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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.