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Finding the Fourth Proportional to 7,362.58, 10,156.41 and 5,120.56

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Solution

The fourth proportional to 7,362.58, 10,156.41 and 5,120.56 is: 7,063.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,362.58 : 10,156.41 = 5,120.56 : x
  2. Step 2: Convert to fraction form
    7,362.58/10,156.41 = 5,120.56/x
  3. Step 3: Cross multiply
    7,362.58x = 10,156.41 × 5,120.56
  4. Step 4: Simplify right side
    7,362.58x = 52,006,456.01
  5. Step 5: Solve for x
    x = 52,006,456.01/7,362.58
  6. Step 6: Final answer
    x = 7,063.62

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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.