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Finding the Fourth Proportional to 19,909.08, 27,473.22 and 11,411.10

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Solution

The fourth proportional to 19,909.08, 27,473.22 and 11,411.10 is: 15,746.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.08 : 27,473.22 = 11,411.10 : x
  2. Step 2: Convert to fraction form
    19,909.08/27,473.22 = 11,411.10/x
  3. Step 3: Cross multiply
    19,909.08x = 27,473.22 × 11,411.10
  4. Step 4: Simplify right side
    19,909.08x = 313,499,660.74
  5. Step 5: Solve for x
    x = 313,499,660.74/19,909.08
  6. Step 6: Final answer
    x = 15,746.57

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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.