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Finding the Fourth Proportional to 50,612.95, 75,911.65 and 16,879.56

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Solution

The fourth proportional to 50,612.95, 75,911.65 and 16,879.56 is: 25,316.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,612.95 : 75,911.65 = 16,879.56 : x
  2. Step 2: Convert to fraction form
    50,612.95/75,911.65 = 16,879.56/x
  3. Step 3: Cross multiply
    50,612.95x = 75,911.65 × 16,879.56
  4. Step 4: Simplify right side
    50,612.95x = 1,281,355,250.87
  5. Step 5: Solve for x
    x = 1,281,355,250.87/50,612.95
  6. Step 6: Final answer
    x = 25,316.75

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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.