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Finding the Fourth Proportional to 50,605.84, 69,835.80 and 28,249.84

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Solution

The fourth proportional to 50,605.84, 69,835.80 and 28,249.84 is: 38,984.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,605.84 : 69,835.80 = 28,249.84 : x
  2. Step 2: Convert to fraction form
    50,605.84/69,835.80 = 28,249.84/x
  3. Step 3: Cross multiply
    50,605.84x = 69,835.80 × 28,249.84
  4. Step 4: Simplify right side
    50,605.84x = 1,972,850,176.27
  5. Step 5: Solve for x
    x = 1,972,850,176.27/50,605.84
  6. Step 6: Final answer
    x = 38,984.63

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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.