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Finding the Fourth Proportional to 7,362.66, 10,161 and 4,378.62

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Solution

The fourth proportional to 7,362.66, 10,161 and 4,378.62 is: 6,042.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,362.66 : 10,161 = 4,378.62 : x
  2. Step 2: Convert to fraction form
    7,362.66/10,161 = 4,378.62/x
  3. Step 3: Cross multiply
    7,362.66x = 10,161 × 4,378.62
  4. Step 4: Simplify right side
    7,362.66x = 44,491,157.82
  5. Step 5: Solve for x
    x = 44,491,157.82/7,362.66
  6. Step 6: Final answer
    x = 6,042.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.