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Finding the Fourth Proportional to 65,263.35, 90,057.83 and 36,192.66

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Solution

The fourth proportional to 65,263.35, 90,057.83 and 36,192.66 is: 49,942.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,263.35 : 90,057.83 = 36,192.66 : x
  2. Step 2: Convert to fraction form
    65,263.35/90,057.83 = 36,192.66/x
  3. Step 3: Cross multiply
    65,263.35x = 90,057.83 × 36,192.66
  4. Step 4: Simplify right side
    65,263.35x = 3,259,432,208.22
  5. Step 5: Solve for x
    x = 3,259,432,208.22/65,263.35
  6. Step 6: Final answer
    x = 49,942.76

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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.