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Finding the Fourth Proportional to 50,611.93, 75,918.80 and 15,551.89

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Solution

The fourth proportional to 50,611.93, 75,918.80 and 15,551.89 is: 23,328.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,611.93 : 75,918.80 = 15,551.89 : x
  2. Step 2: Convert to fraction form
    50,611.93/75,918.80 = 15,551.89/x
  3. Step 3: Cross multiply
    50,611.93x = 75,918.80 × 15,551.89
  4. Step 4: Simplify right side
    50,611.93x = 1,180,680,826.53
  5. Step 5: Solve for x
    x = 1,180,680,826.53/50,611.93
  6. Step 6: Final answer
    x = 23,328.11

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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.