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Finding the Fourth Proportional to 17,902.73, 24,705.75 and 9,945.70

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Solution

The fourth proportional to 17,902.73, 24,705.75 and 9,945.70 is: 13,725.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,902.73 : 24,705.75 = 9,945.70 : x
  2. Step 2: Convert to fraction form
    17,902.73/24,705.75 = 9,945.70/x
  3. Step 3: Cross multiply
    17,902.73x = 24,705.75 × 9,945.70
  4. Step 4: Simplify right side
    17,902.73x = 245,715,977.78
  5. Step 5: Solve for x
    x = 245,715,977.78/17,902.73
  6. Step 6: Final answer
    x = 13,725.06

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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.