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Finding the Fourth Proportional to 19,776.96, 29,668.32 and 5,927.04

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Solution

The fourth proportional to 19,776.96, 29,668.32 and 5,927.04 is: 8,891.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,776.96 : 29,668.32 = 5,927.04 : x
  2. Step 2: Convert to fraction form
    19,776.96/29,668.32 = 5,927.04/x
  3. Step 3: Cross multiply
    19,776.96x = 29,668.32 × 5,927.04
  4. Step 4: Simplify right side
    19,776.96x = 175,845,319.37
  5. Step 5: Solve for x
    x = 175,845,319.37/19,776.96
  6. Step 6: Final answer
    x = 8,891.42

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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.