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Finding the Fourth Proportional to 50,489.52, 69,674.95 and 29,270.76

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Solution

The fourth proportional to 50,489.52, 69,674.95 and 29,270.76 is: 40,393.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,489.52 : 69,674.95 = 29,270.76 : x
  2. Step 2: Convert to fraction form
    50,489.52/69,674.95 = 29,270.76/x
  3. Step 3: Cross multiply
    50,489.52x = 69,674.95 × 29,270.76
  4. Step 4: Simplify right side
    50,489.52x = 2,039,438,739.46
  5. Step 5: Solve for x
    x = 2,039,438,739.46/50,489.52
  6. Step 6: Final answer
    x = 40,393.31

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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.