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Finding the Fourth Proportional to 19,952.94, 27,536.70 and 11,002.20

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Solution

The fourth proportional to 19,952.94, 27,536.70 and 11,002.20 is: 15,183.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,952.94 : 27,536.70 = 11,002.20 : x
  2. Step 2: Convert to fraction form
    19,952.94/27,536.70 = 11,002.20/x
  3. Step 3: Cross multiply
    19,952.94x = 27,536.70 × 11,002.20
  4. Step 4: Simplify right side
    19,952.94x = 302,964,280.74
  5. Step 5: Solve for x
    x = 302,964,280.74/19,952.94
  6. Step 6: Final answer
    x = 15,183.94

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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.