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Finding the Fourth Proportional to 50,605.29, 69,829.56 and 29,380.32

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Solution

The fourth proportional to 50,605.29, 69,829.56 and 29,380.32 is: 40,541.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,605.29 : 69,829.56 = 29,380.32 : x
  2. Step 2: Convert to fraction form
    50,605.29/69,829.56 = 29,380.32/x
  3. Step 3: Cross multiply
    50,605.29x = 69,829.56 × 29,380.32
  4. Step 4: Simplify right side
    50,605.29x = 2,051,614,818.26
  5. Step 5: Solve for x
    x = 2,051,614,818.26/50,605.29
  6. Step 6: Final answer
    x = 40,541.51

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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.