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Finding the Fourth Proportional to 50,381.88, 69,527.06 and 28,025.88

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Solution

The fourth proportional to 50,381.88, 69,527.06 and 28,025.88 is: 38,675.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,381.88 : 69,527.06 = 28,025.88 : x
  2. Step 2: Convert to fraction form
    50,381.88/69,527.06 = 28,025.88/x
  3. Step 3: Cross multiply
    50,381.88x = 69,527.06 × 28,025.88
  4. Step 4: Simplify right side
    50,381.88x = 1,948,557,040.31
  5. Step 5: Solve for x
    x = 1,948,557,040.31/50,381.88
  6. Step 6: Final answer
    x = 38,675.75

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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.