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Finding the Fourth Proportional to 11,688.01, 17,532.11 and 3,896.82

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Solution

The fourth proportional to 11,688.01, 17,532.11 and 3,896.82 is: 5,845.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.01 : 17,532.11 = 3,896.82 : x
  2. Step 2: Convert to fraction form
    11,688.01/17,532.11 = 3,896.82/x
  3. Step 3: Cross multiply
    11,688.01x = 17,532.11 × 3,896.82
  4. Step 4: Simplify right side
    11,688.01x = 68,319,476.89
  5. Step 5: Solve for x
    x = 68,319,476.89/11,688.01
  6. Step 6: Final answer
    x = 5,845.26

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1.5x scale

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.