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Finding the Fourth Proportional to 9,908.33, 13,663.28 and 6,923.07

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Solution

The fourth proportional to 9,908.33, 13,663.28 and 6,923.07 is: 9,546.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,908.33 : 13,663.28 = 6,923.07 : x
  2. Step 2: Convert to fraction form
    9,908.33/13,663.28 = 6,923.07/x
  3. Step 3: Cross multiply
    9,908.33x = 13,663.28 × 6,923.07
  4. Step 4: Simplify right side
    9,908.33x = 94,591,861.18
  5. Step 5: Solve for x
    x = 94,591,861.18/9,908.33
  6. Step 6: Final answer
    x = 9,546.71

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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.