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Finding the Fourth Proportional to 50,447.75, 69,617.90 and 29,239.32

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Solution

The fourth proportional to 50,447.75, 69,617.90 and 29,239.32 is: 40,350.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,447.75 : 69,617.90 = 29,239.32 : x
  2. Step 2: Convert to fraction form
    50,447.75/69,617.90 = 29,239.32/x
  3. Step 3: Cross multiply
    50,447.75x = 69,617.90 × 29,239.32
  4. Step 4: Simplify right side
    50,447.75x = 2,035,579,909.63
  5. Step 5: Solve for x
    x = 2,035,579,909.63/50,447.75
  6. Step 6: Final answer
    x = 40,350.26

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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.