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Finding the Fourth Proportional to 50,473.50, 69,654.87 and 28,118.94

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Solution

The fourth proportional to 50,473.50, 69,654.87 and 28,118.94 is: 38,804.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,473.50 : 69,654.87 = 28,118.94 : x
  2. Step 2: Convert to fraction form
    50,473.50/69,654.87 = 28,118.94/x
  3. Step 3: Cross multiply
    50,473.50x = 69,654.87 × 28,118.94
  4. Step 4: Simplify right side
    50,473.50x = 1,958,621,110.24
  5. Step 5: Solve for x
    x = 1,958,621,110.24/50,473.50
  6. Step 6: Final answer
    x = 38,804.94

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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.