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Finding the Fourth Proportional to 18,651.69, 25,705.06 and 17,468.01

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Solution

The fourth proportional to 18,651.69, 25,705.06 and 17,468.01 is: 24,073.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,651.69 : 25,705.06 = 17,468.01 : x
  2. Step 2: Convert to fraction form
    18,651.69/25,705.06 = 17,468.01/x
  3. Step 3: Cross multiply
    18,651.69x = 25,705.06 × 17,468.01
  4. Step 4: Simplify right side
    18,651.69x = 449,016,245.13
  5. Step 5: Solve for x
    x = 449,016,245.13/18,651.69
  6. Step 6: Final answer
    x = 24,073.76

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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.