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Finding the Fourth Proportional to 7,502.75, 11,255.49 and 2,572.89

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Solution

The fourth proportional to 7,502.75, 11,255.49 and 2,572.89 is: 3,859.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.75 : 11,255.49 = 2,572.89 : x
  2. Step 2: Convert to fraction form
    7,502.75/11,255.49 = 2,572.89/x
  3. Step 3: Cross multiply
    7,502.75x = 11,255.49 × 2,572.89
  4. Step 4: Simplify right side
    7,502.75x = 28,959,137.67
  5. Step 5: Solve for x
    x = 28,959,137.67/7,502.75
  6. Step 6: Final answer
    x = 3,859.80

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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.