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Finding the Fourth Proportional to 11,652.75, 16,081.07 and 6,616.17

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Solution

The fourth proportional to 11,652.75, 16,081.07 and 6,616.17 is: 9,130.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,652.75 : 16,081.07 = 6,616.17 : x
  2. Step 2: Convert to fraction form
    11,652.75/16,081.07 = 6,616.17/x
  3. Step 3: Cross multiply
    11,652.75x = 16,081.07 × 6,616.17
  4. Step 4: Simplify right side
    11,652.75x = 106,395,059.82
  5. Step 5: Solve for x
    x = 106,395,059.82/11,652.75
  6. Step 6: Final answer
    x = 9,130.47

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1.5x scale

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.