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Finding the Fourth Proportional to 7,384.28, 11,073.08 and 2,118.08

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Solution

The fourth proportional to 7,384.28, 11,073.08 and 2,118.08 is: 3,176.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.28 : 11,073.08 = 2,118.08 : x
  2. Step 2: Convert to fraction form
    7,384.28/11,073.08 = 2,118.08/x
  3. Step 3: Cross multiply
    7,384.28x = 11,073.08 × 2,118.08
  4. Step 4: Simplify right side
    7,384.28x = 23,453,702.26
  5. Step 5: Solve for x
    x = 23,453,702.26/7,384.28
  6. Step 6: Final answer
    x = 3,176.17

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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.