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Finding the Fourth Proportional to 50,932.96, 70,284.16 and 28,270.88

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Solution

The fourth proportional to 50,932.96, 70,284.16 and 28,270.88 is: 39,011.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,932.96 : 70,284.16 = 28,270.88 : x
  2. Step 2: Convert to fraction form
    50,932.96/70,284.16 = 28,270.88/x
  3. Step 3: Cross multiply
    50,932.96x = 70,284.16 × 28,270.88
  4. Step 4: Simplify right side
    50,932.96x = 1,986,995,053.26
  5. Step 5: Solve for x
    x = 1,986,995,053.26/50,932.96
  6. Step 6: Final answer
    x = 39,011.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.