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Finding the Fourth Proportional to 11,701.52, 17,552.76 and 3,911.12

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Solution

The fourth proportional to 11,701.52, 17,552.76 and 3,911.12 is: 5,866.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.52 : 17,552.76 = 3,911.12 : x
  2. Step 2: Convert to fraction form
    11,701.52/17,552.76 = 3,911.12/x
  3. Step 3: Cross multiply
    11,701.52x = 17,552.76 × 3,911.12
  4. Step 4: Simplify right side
    11,701.52x = 68,650,950.69
  5. Step 5: Solve for x
    x = 68,650,950.69/11,701.52
  6. Step 6: Final answer
    x = 5,866.84

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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.