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Finding the Fourth Proportional to 50,335.68, 75,503.04 and 13,399.68

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Solution

The fourth proportional to 50,335.68, 75,503.04 and 13,399.68 is: 20,099.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,335.68 : 75,503.04 = 13,399.68 : x
  2. Step 2: Convert to fraction form
    50,335.68/75,503.04 = 13,399.68/x
  3. Step 3: Cross multiply
    50,335.68x = 75,503.04 × 13,399.68
  4. Step 4: Simplify right side
    50,335.68x = 1,011,716,575.03
  5. Step 5: Solve for x
    x = 1,011,716,575.03/50,335.68
  6. Step 6: Final answer
    x = 20,099.39

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.