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Finding the Fourth Proportional to 62,163.03, 85,786.65 and 33,870.54

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Solution

The fourth proportional to 62,163.03, 85,786.65 and 33,870.54 is: 46,742.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,163.03 : 85,786.65 = 33,870.54 : x
  2. Step 2: Convert to fraction form
    62,163.03/85,786.65 = 33,870.54/x
  3. Step 3: Cross multiply
    62,163.03x = 85,786.65 × 33,870.54
  4. Step 4: Simplify right side
    62,163.03x = 2,905,640,160.29
  5. Step 5: Solve for x
    x = 2,905,640,160.29/62,163.03
  6. Step 6: Final answer
    x = 46,742.25

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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.