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Finding the Fourth Proportional to 50,708.64, 69,936.84 and 38,753.04

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Solution

The fourth proportional to 50,708.64, 69,936.84 and 38,753.04 is: 53,447.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,708.64 : 69,936.84 = 38,753.04 : x
  2. Step 2: Convert to fraction form
    50,708.64/69,936.84 = 38,753.04/x
  3. Step 3: Cross multiply
    50,708.64x = 69,936.84 × 38,753.04
  4. Step 4: Simplify right side
    50,708.64x = 2,710,265,157.99
  5. Step 5: Solve for x
    x = 2,710,265,157.99/50,708.64
  6. Step 6: Final answer
    x = 53,447.80

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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.