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Finding the Fourth Proportional to 50,993.64, 70,363.14 and 29,475.39

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Solution

The fourth proportional to 50,993.64, 70,363.14 and 29,475.39 is: 40,671.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,993.64 : 70,363.14 = 29,475.39 : x
  2. Step 2: Convert to fraction form
    50,993.64/70,363.14 = 29,475.39/x
  3. Step 3: Cross multiply
    50,993.64x = 70,363.14 × 29,475.39
  4. Step 4: Simplify right side
    50,993.64x = 2,073,980,993.12
  5. Step 5: Solve for x
    x = 2,073,980,993.12/50,993.64
  6. Step 6: Final answer
    x = 40,671.37

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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.