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Finding the Fourth Proportional to 17,763.53, 24,513.62 and 9,805.70

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Solution

The fourth proportional to 17,763.53, 24,513.62 and 9,805.70 is: 13,531.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,763.53 : 24,513.62 = 9,805.70 : x
  2. Step 2: Convert to fraction form
    17,763.53/24,513.62 = 9,805.70/x
  3. Step 3: Cross multiply
    17,763.53x = 24,513.62 × 9,805.70
  4. Step 4: Simplify right side
    17,763.53x = 240,373,057.32
  5. Step 5: Solve for x
    x = 240,373,057.32/17,763.53
  6. Step 6: Final answer
    x = 13,531.83

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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.