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Finding the Fourth Proportional to 1,511.36, 2,267.80 and 537.54

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Solution

The fourth proportional to 1,511.36, 2,267.80 and 537.54 is: 806.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.36 : 2,267.80 = 537.54 : x
  2. Step 2: Convert to fraction form
    1,511.36/2,267.80 = 537.54/x
  3. Step 3: Cross multiply
    1,511.36x = 2,267.80 × 537.54
  4. Step 4: Simplify right side
    1,511.36x = 1,219,023.36
  5. Step 5: Solve for x
    x = 1,219,023.36/1,511.36
  6. Step 6: Final answer
    x = 806.57

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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.