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Finding the Fourth Proportional to 48,801.58, 73,209.64 and 15,522.72

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Solution

The fourth proportional to 48,801.58, 73,209.64 and 15,522.72 is: 23,286.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,801.58 : 73,209.64 = 15,522.72 : x
  2. Step 2: Convert to fraction form
    48,801.58/73,209.64 = 15,522.72/x
  3. Step 3: Cross multiply
    48,801.58x = 73,209.64 × 15,522.72
  4. Step 4: Simplify right side
    48,801.58x = 1,136,412,743.02
  5. Step 5: Solve for x
    x = 1,136,412,743.02/48,801.58
  6. Step 6: Final answer
    x = 23,286.39

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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.