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Finding the Fourth Proportional to 15,773.44, 23,656.81 and 5,913.44

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Solution

The fourth proportional to 15,773.44, 23,656.81 and 5,913.44 is: 8,868.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,773.44 : 23,656.81 = 5,913.44 : x
  2. Step 2: Convert to fraction form
    15,773.44/23,656.81 = 5,913.44/x
  3. Step 3: Cross multiply
    15,773.44x = 23,656.81 × 5,913.44
  4. Step 4: Simplify right side
    15,773.44x = 139,893,137.62
  5. Step 5: Solve for x
    x = 139,893,137.62/15,773.44
  6. Step 6: Final answer
    x = 8,868.91

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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.