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Finding the Fourth Proportional to 50,391.77, 75,584.90 and 15,328.69

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Solution

The fourth proportional to 50,391.77, 75,584.90 and 15,328.69 is: 22,992.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,391.77 : 75,584.90 = 15,328.69 : x
  2. Step 2: Convert to fraction form
    50,391.77/75,584.90 = 15,328.69/x
  3. Step 3: Cross multiply
    50,391.77x = 75,584.90 × 15,328.69
  4. Step 4: Simplify right side
    50,391.77x = 1,158,617,350.14
  5. Step 5: Solve for x
    x = 1,158,617,350.14/50,391.77
  6. Step 6: Final answer
    x = 22,992.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.