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Finding the Fourth Proportional to 11,479.71, 17,205.18 and 4,898.19

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Solution

The fourth proportional to 11,479.71, 17,205.18 and 4,898.19 is: 7,341.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.71 : 17,205.18 = 4,898.19 : x
  2. Step 2: Convert to fraction form
    11,479.71/17,205.18 = 4,898.19/x
  3. Step 3: Cross multiply
    11,479.71x = 17,205.18 × 4,898.19
  4. Step 4: Simplify right side
    11,479.71x = 84,274,240.62
  5. Step 5: Solve for x
    x = 84,274,240.62/11,479.71
  6. Step 6: Final answer
    x = 7,341.15

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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.