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Finding the Fourth Proportional to 6,661.89, 9,196.07 and 4,008.83

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Solution

The fourth proportional to 6,661.89, 9,196.07 and 4,008.83 is: 5,533.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.89 : 9,196.07 = 4,008.83 : x
  2. Step 2: Convert to fraction form
    6,661.89/9,196.07 = 4,008.83/x
  3. Step 3: Cross multiply
    6,661.89x = 9,196.07 × 4,008.83
  4. Step 4: Simplify right side
    6,661.89x = 36,865,415.27
  5. Step 5: Solve for x
    x = 36,865,415.27/6,661.89
  6. Step 6: Final answer
    x = 5,533.78

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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.