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Finding the Fourth Proportional to 15,311.69, 22,967.53 and 4,923.44

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Solution

The fourth proportional to 15,311.69, 22,967.53 and 4,923.44 is: 7,385.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,311.69 : 22,967.53 = 4,923.44 : x
  2. Step 2: Convert to fraction form
    15,311.69/22,967.53 = 4,923.44/x
  3. Step 3: Cross multiply
    15,311.69x = 22,967.53 × 4,923.44
  4. Step 4: Simplify right side
    15,311.69x = 113,079,255.90
  5. Step 5: Solve for x
    x = 113,079,255.90/15,311.69
  6. Step 6: Final answer
    x = 7,385.16

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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.