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Finding the Fourth Proportional to 50,351.76, 75,529.56 and 18,769.68

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Solution

The fourth proportional to 50,351.76, 75,529.56 and 18,769.68 is: 28,155.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,351.76 : 75,529.56 = 18,769.68 : x
  2. Step 2: Convert to fraction form
    50,351.76/75,529.56 = 18,769.68/x
  3. Step 3: Cross multiply
    50,351.76x = 75,529.56 × 18,769.68
  4. Step 4: Simplify right side
    50,351.76x = 1,417,665,671.74
  5. Step 5: Solve for x
    x = 1,417,665,671.74/50,351.76
  6. Step 6: Final answer
    x = 28,155.24

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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.