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Finding the Fourth Proportional to 17,207.40, 25,767.90 and 16,429.80

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Solution

The fourth proportional to 17,207.40, 25,767.90 and 16,429.80 is: 24,603.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,207.40 : 25,767.90 = 16,429.80 : x
  2. Step 2: Convert to fraction form
    17,207.40/25,767.90 = 16,429.80/x
  3. Step 3: Cross multiply
    17,207.40x = 25,767.90 × 16,429.80
  4. Step 4: Simplify right side
    17,207.40x = 423,361,443.42
  5. Step 5: Solve for x
    x = 423,361,443.42/17,207.40
  6. Step 6: Final answer
    x = 24,603.45

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