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Finding the Fourth Proportional to 17,859.99, 24,648.27 and 9,904.78

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Solution

The fourth proportional to 17,859.99, 24,648.27 and 9,904.78 is: 13,669.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,859.99 : 24,648.27 = 9,904.78 : x
  2. Step 2: Convert to fraction form
    17,859.99/24,648.27 = 9,904.78/x
  3. Step 3: Cross multiply
    17,859.99x = 24,648.27 × 9,904.78
  4. Step 4: Simplify right side
    17,859.99x = 244,135,685.40
  5. Step 5: Solve for x
    x = 244,135,685.40/17,859.99
  6. Step 6: Final answer
    x = 13,669.42

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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.