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Finding the Fourth Proportional to 50,189.55, 69,256.55 and 28,975.65

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Solution

The fourth proportional to 50,189.55, 69,256.55 and 28,975.65 is: 39,983.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,189.55 : 69,256.55 = 28,975.65 : x
  2. Step 2: Convert to fraction form
    50,189.55/69,256.55 = 28,975.65/x
  3. Step 3: Cross multiply
    50,189.55x = 69,256.55 × 28,975.65
  4. Step 4: Simplify right side
    50,189.55x = 2,006,753,553.01
  5. Step 5: Solve for x
    x = 2,006,753,553.01/50,189.55
  6. Step 6: Final answer
    x = 39,983.49

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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.