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Finding the Fourth Proportional to 11,601, 16,009.40 and 6,633

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Solution

The fourth proportional to 11,601, 16,009.40 and 6,633 is: 9,153.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,601 : 16,009.40 = 6,633 : x
  2. Step 2: Convert to fraction form
    11,601/16,009.40 = 6,633/x
  3. Step 3: Cross multiply
    11,601x = 16,009.40 × 6,633
  4. Step 4: Simplify right side
    11,601x = 106,190,350.20
  5. Step 5: Solve for x
    x = 106,190,350.20/11,601
  6. Step 6: Final answer
    x = 9,153.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.