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Finding the Fourth Proportional to 17,641.99, 26,447.41 and 13,500.49

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Solution

The fourth proportional to 17,641.99, 26,447.41 and 13,500.49 is: 20,238.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,641.99 : 26,447.41 = 13,500.49 : x
  2. Step 2: Convert to fraction form
    17,641.99/26,447.41 = 13,500.49/x
  3. Step 3: Cross multiply
    17,641.99x = 26,447.41 × 13,500.49
  4. Step 4: Simplify right side
    17,641.99x = 357,052,994.23
  5. Step 5: Solve for x
    x = 357,052,994.23/17,641.99
  6. Step 6: Final answer
    x = 20,238.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.