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Finding the Fourth Proportional to 40,163.94, 55,452.06 and 25,829.94

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Solution

The fourth proportional to 40,163.94, 55,452.06 and 25,829.94 is: 35,661.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,163.94 : 55,452.06 = 25,829.94 : x
  2. Step 2: Convert to fraction form
    40,163.94/55,452.06 = 25,829.94/x
  3. Step 3: Cross multiply
    40,163.94x = 55,452.06 × 25,829.94
  4. Step 4: Simplify right side
    40,163.94x = 1,432,323,382.68
  5. Step 5: Solve for x
    x = 1,432,323,382.68/40,163.94
  6. Step 6: Final answer
    x = 35,661.92

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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.