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Finding the Fourth Proportional to 50,019.76, 75,018.48 and 14,954.86

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Solution

The fourth proportional to 50,019.76, 75,018.48 and 14,954.86 is: 22,428.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,019.76 : 75,018.48 = 14,954.86 : x
  2. Step 2: Convert to fraction form
    50,019.76/75,018.48 = 14,954.86/x
  3. Step 3: Cross multiply
    50,019.76x = 75,018.48 × 14,954.86
  4. Step 4: Simplify right side
    50,019.76x = 1,121,890,865.81
  5. Step 5: Solve for x
    x = 1,121,890,865.81/50,019.76
  6. Step 6: Final answer
    x = 22,428.95

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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.