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Finding the Fourth Proportional to 17,902.48, 24,705.41 and 9,945.45

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Solution

The fourth proportional to 17,902.48, 24,705.41 and 9,945.45 is: 13,724.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,902.48 : 24,705.41 = 9,945.45 : x
  2. Step 2: Convert to fraction form
    17,902.48/24,705.41 = 9,945.45/x
  3. Step 3: Cross multiply
    17,902.48x = 24,705.41 × 9,945.45
  4. Step 4: Simplify right side
    17,902.48x = 245,706,296.36
  5. Step 5: Solve for x
    x = 245,706,296.36/17,902.48
  6. Step 6: Final answer
    x = 13,724.71

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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.