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Finding the Fourth Proportional to 7,362.92, 10,160.80 and 4,005.67

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Solution

The fourth proportional to 7,362.92, 10,160.80 and 4,005.67 is: 5,527.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,362.92 : 10,160.80 = 4,005.67 : x
  2. Step 2: Convert to fraction form
    7,362.92/10,160.80 = 4,005.67/x
  3. Step 3: Cross multiply
    7,362.92x = 10,160.80 × 4,005.67
  4. Step 4: Simplify right side
    7,362.92x = 40,700,811.74
  5. Step 5: Solve for x
    x = 40,700,811.74/7,362.92
  6. Step 6: Final answer
    x = 5,527.81

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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.