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Finding the Fourth Proportional to 7,502.10, 11,253.20 and 2,571.77

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Solution

The fourth proportional to 7,502.10, 11,253.20 and 2,571.77 is: 3,857.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.10 : 11,253.20 = 2,571.77 : x
  2. Step 2: Convert to fraction form
    7,502.10/11,253.20 = 2,571.77/x
  3. Step 3: Cross multiply
    7,502.10x = 11,253.20 × 2,571.77
  4. Step 4: Simplify right side
    7,502.10x = 28,940,573.04
  5. Step 5: Solve for x
    x = 28,940,573.04/7,502.10
  6. Step 6: Final answer
    x = 3,857.66

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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.