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Finding the Fourth Proportional to 11,295.10, 16,918.35 and 9,351.10

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Solution

The fourth proportional to 11,295.10, 16,918.35 and 9,351.10 is: 14,006.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.10 : 16,918.35 = 9,351.10 : x
  2. Step 2: Convert to fraction form
    11,295.10/16,918.35 = 9,351.10/x
  3. Step 3: Cross multiply
    11,295.10x = 16,918.35 × 9,351.10
  4. Step 4: Simplify right side
    11,295.10x = 158,205,182.69
  5. Step 5: Solve for x
    x = 158,205,182.69/11,295.10
  6. Step 6: Final answer
    x = 14,006.53

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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.