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Finding the Fourth Proportional to 17,668.32, 24,369.84 and 15,306.24

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Solution

The fourth proportional to 17,668.32, 24,369.84 and 15,306.24 is: 21,111.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,668.32 : 24,369.84 = 15,306.24 : x
  2. Step 2: Convert to fraction form
    17,668.32/24,369.84 = 15,306.24/x
  3. Step 3: Cross multiply
    17,668.32x = 24,369.84 × 15,306.24
  4. Step 4: Simplify right side
    17,668.32x = 373,010,619.80
  5. Step 5: Solve for x
    x = 373,010,619.80/17,668.32
  6. Step 6: Final answer
    x = 21,111.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.