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Finding the Fourth Proportional to 7,315.38, 10,980.27 and 5,362.02

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Solution

The fourth proportional to 7,315.38, 10,980.27 and 5,362.02 is: 8,048.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.38 : 10,980.27 = 5,362.02 : x
  2. Step 2: Convert to fraction form
    7,315.38/10,980.27 = 5,362.02/x
  3. Step 3: Cross multiply
    7,315.38x = 10,980.27 × 5,362.02
  4. Step 4: Simplify right side
    7,315.38x = 58,876,427.35
  5. Step 5: Solve for x
    x = 58,876,427.35/7,315.38
  6. Step 6: Final answer
    x = 8,048.31

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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.