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Finding the Fourth Proportional to 7,571.72, 11,358.12 and 2,377.46

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Solution

The fourth proportional to 7,571.72, 11,358.12 and 2,377.46 is: 3,566.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,571.72 : 11,358.12 = 2,377.46 : x
  2. Step 2: Convert to fraction form
    7,571.72/11,358.12 = 2,377.46/x
  3. Step 3: Cross multiply
    7,571.72x = 11,358.12 × 2,377.46
  4. Step 4: Simplify right side
    7,571.72x = 27,003,475.98
  5. Step 5: Solve for x
    x = 27,003,475.98/7,571.72
  6. Step 6: Final answer
    x = 3,566.36

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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.