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Finding the Fourth Proportional to 50,044.56, 75,063.59 and 18,879

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Solution

The fourth proportional to 50,044.56, 75,063.59 and 18,879 is: 28,317.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,044.56 : 75,063.59 = 18,879 : x
  2. Step 2: Convert to fraction form
    50,044.56/75,063.59 = 18,879/x
  3. Step 3: Cross multiply
    50,044.56x = 75,063.59 × 18,879
  4. Step 4: Simplify right side
    50,044.56x = 1,417,125,515.61
  5. Step 5: Solve for x
    x = 1,417,125,515.61/50,044.56
  6. Step 6: Final answer
    x = 28,317.27

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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.