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Finding the Fourth Proportional to 17,777.61, 24,519.11 and 16,585.29

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Solution

The fourth proportional to 17,777.61, 24,519.11 and 16,585.29 is: 22,874.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,777.61 : 24,519.11 = 16,585.29 : x
  2. Step 2: Convert to fraction form
    17,777.61/24,519.11 = 16,585.29/x
  3. Step 3: Cross multiply
    17,777.61x = 24,519.11 × 16,585.29
  4. Step 4: Simplify right side
    17,777.61x = 406,656,466.97
  5. Step 5: Solve for x
    x = 406,656,466.97/17,777.61
  6. Step 6: Final answer
    x = 22,874.64

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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.