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Finding the Fourth Proportional to 7,366.56, 10,162.42 and 4,380.72

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Solution

The fourth proportional to 7,366.56, 10,162.42 and 4,380.72 is: 6,043.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,366.56 : 10,162.42 = 4,380.72 : x
  2. Step 2: Convert to fraction form
    7,366.56/10,162.42 = 4,380.72/x
  3. Step 3: Cross multiply
    7,366.56x = 10,162.42 × 4,380.72
  4. Step 4: Simplify right side
    7,366.56x = 44,518,716.54
  5. Step 5: Solve for x
    x = 44,518,716.54/7,366.56
  6. Step 6: Final answer
    x = 6,043.35

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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.