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Finding the Fourth Proportional to 50,449.76, 75,673.04 and 15,388

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Solution

The fourth proportional to 50,449.76, 75,673.04 and 15,388 is: 23,081.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,449.76 : 75,673.04 = 15,388 : x
  2. Step 2: Convert to fraction form
    50,449.76/75,673.04 = 15,388/x
  3. Step 3: Cross multiply
    50,449.76x = 75,673.04 × 15,388
  4. Step 4: Simplify right side
    50,449.76x = 1,164,456,739.52
  5. Step 5: Solve for x
    x = 1,164,456,739.52/50,449.76
  6. Step 6: Final answer
    x = 23,081.51

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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.