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Finding the Fourth Proportional to 17,763.15, 24,512.55 and 9,805.20

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Solution

The fourth proportional to 17,763.15, 24,512.55 and 9,805.20 is: 13,530.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,763.15 : 24,512.55 = 9,805.20 : x
  2. Step 2: Convert to fraction form
    17,763.15/24,512.55 = 9,805.20/x
  3. Step 3: Cross multiply
    17,763.15x = 24,512.55 × 9,805.20
  4. Step 4: Simplify right side
    17,763.15x = 240,350,455.26
  5. Step 5: Solve for x
    x = 240,350,455.26/17,763.15
  6. Step 6: Final answer
    x = 13,530.85

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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.