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Finding the Fourth Proportional to 17,820.99, 24,593.65 and 9,863.03

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Solution

The fourth proportional to 17,820.99, 24,593.65 and 9,863.03 is: 13,611.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,820.99 : 24,593.65 = 9,863.03 : x
  2. Step 2: Convert to fraction form
    17,820.99/24,593.65 = 9,863.03/x
  3. Step 3: Cross multiply
    17,820.99x = 24,593.65 × 9,863.03
  4. Step 4: Simplify right side
    17,820.99x = 242,567,944.59
  5. Step 5: Solve for x
    x = 242,567,944.59/17,820.99
  6. Step 6: Final answer
    x = 13,611.36

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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.