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Finding the Fourth Proportional to 11,362.16, 17,018.62 and 5,506.52

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Solution

The fourth proportional to 11,362.16, 17,018.62 and 5,506.52 is: 8,247.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,362.16 : 17,018.62 = 5,506.52 : x
  2. Step 2: Convert to fraction form
    11,362.16/17,018.62 = 5,506.52/x
  3. Step 3: Cross multiply
    11,362.16x = 17,018.62 × 5,506.52
  4. Step 4: Simplify right side
    11,362.16x = 93,713,371.40
  5. Step 5: Solve for x
    x = 93,713,371.40/11,362.16
  6. Step 6: Final answer
    x = 8,247.85

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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.