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Finding the Fourth Proportional to 5,892.20, 8,838.30 and 5,316.20

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Solution

The fourth proportional to 5,892.20, 8,838.30 and 5,316.20 is: 7,974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,892.20 : 8,838.30 = 5,316.20 : x
  2. Step 2: Convert to fraction form
    5,892.20/8,838.30 = 5,316.20/x
  3. Step 3: Cross multiply
    5,892.20x = 8,838.30 × 5,316.20
  4. Step 4: Simplify right side
    5,892.20x = 46,986,170.46
  5. Step 5: Solve for x
    x = 46,986,170.46/5,892.20
  6. Step 6: Final answer
    x = 7,974.30

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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.