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Finding the Fourth Proportional to 7,375.80, 11,057.22 and 3,484.92

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Solution

The fourth proportional to 7,375.80, 11,057.22 and 3,484.92 is: 5,224.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.80 : 11,057.22 = 3,484.92 : x
  2. Step 2: Convert to fraction form
    7,375.80/11,057.22 = 3,484.92/x
  3. Step 3: Cross multiply
    7,375.80x = 11,057.22 × 3,484.92
  4. Step 4: Simplify right side
    7,375.80x = 38,533,527.12
  5. Step 5: Solve for x
    x = 38,533,527.12/7,375.80
  6. Step 6: Final answer
    x = 5,224.32

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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.