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Finding the Fourth Proportional to 61,900.92, 85,425.03 and 33,608.46

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Solution

The fourth proportional to 61,900.92, 85,425.03 and 33,608.46 is: 46,380.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,900.92 : 85,425.03 = 33,608.46 : x
  2. Step 2: Convert to fraction form
    61,900.92/85,425.03 = 33,608.46/x
  3. Step 3: Cross multiply
    61,900.92x = 85,425.03 × 33,608.46
  4. Step 4: Simplify right side
    61,900.92x = 2,871,003,703.75
  5. Step 5: Solve for x
    x = 2,871,003,703.75/61,900.92
  6. Step 6: Final answer
    x = 46,380.63

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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.