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Finding the Fourth Proportional to 1,362.26, 2,037.12 and 1,015.82

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Solution

The fourth proportional to 1,362.26, 2,037.12 and 1,015.82 is: 1,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362.26 : 2,037.12 = 1,015.82 : x
  2. Step 2: Convert to fraction form
    1,362.26/2,037.12 = 1,015.82/x
  3. Step 3: Cross multiply
    1,362.26x = 2,037.12 × 1,015.82
  4. Step 4: Simplify right side
    1,362.26x = 2,069,347.24
  5. Step 5: Solve for x
    x = 2,069,347.24/1,362.26
  6. Step 6: Final answer
    x = 1,519.05

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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.