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Finding the Fourth Proportional to 7,328.92, 10,995.18 and 2,134.84

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Solution

The fourth proportional to 7,328.92, 10,995.18 and 2,134.84 is: 3,202.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.92 : 10,995.18 = 2,134.84 : x
  2. Step 2: Convert to fraction form
    7,328.92/10,995.18 = 2,134.84/x
  3. Step 3: Cross multiply
    7,328.92x = 10,995.18 × 2,134.84
  4. Step 4: Simplify right side
    7,328.92x = 23,472,950.07
  5. Step 5: Solve for x
    x = 23,472,950.07/7,328.92
  6. Step 6: Final answer
    x = 3,202.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.