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Finding the Fourth Proportional to 17,920.24, 24,773.24 and 16,425.80

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Solution

The fourth proportional to 17,920.24, 24,773.24 and 16,425.80 is: 22,707.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,920.24 : 24,773.24 = 16,425.80 : x
  2. Step 2: Convert to fraction form
    17,920.24/24,773.24 = 16,425.80/x
  3. Step 3: Cross multiply
    17,920.24x = 24,773.24 × 16,425.80
  4. Step 4: Simplify right side
    17,920.24x = 406,920,285.59
  5. Step 5: Solve for x
    x = 406,920,285.59/17,920.24
  6. Step 6: Final answer
    x = 22,707.30

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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.