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Finding the Fourth Proportional to 63,758.82, 87,990.40 and 36,902.46

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Solution

The fourth proportional to 63,758.82, 87,990.40 and 36,902.46 is: 50,927.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,758.82 : 87,990.40 = 36,902.46 : x
  2. Step 2: Convert to fraction form
    63,758.82/87,990.40 = 36,902.46/x
  3. Step 3: Cross multiply
    63,758.82x = 87,990.40 × 36,902.46
  4. Step 4: Simplify right side
    63,758.82x = 3,247,062,216.38
  5. Step 5: Solve for x
    x = 3,247,062,216.38/63,758.82
  6. Step 6: Final answer
    x = 50,927.26

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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.