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Finding the Fourth Proportional to 67,625.55, 93,054.20 and 65,571.12

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Solution

The fourth proportional to 67,625.55, 93,054.20 and 65,571.12 is: 90,227.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,625.55 : 93,054.20 = 65,571.12 : x
  2. Step 2: Convert to fraction form
    67,625.55/93,054.20 = 65,571.12/x
  3. Step 3: Cross multiply
    67,625.55x = 93,054.20 × 65,571.12
  4. Step 4: Simplify right side
    67,625.55x = 6,101,667,786.85
  5. Step 5: Solve for x
    x = 6,101,667,786.85/67,625.55
  6. Step 6: Final answer
    x = 90,227.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.