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Finding the Fourth Proportional to 15,063.22, 22,579.83 and 7,151.86

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Solution

The fourth proportional to 15,063.22, 22,579.83 and 7,151.86 is: 10,720.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,063.22 : 22,579.83 = 7,151.86 : x
  2. Step 2: Convert to fraction form
    15,063.22/22,579.83 = 7,151.86/x
  3. Step 3: Cross multiply
    15,063.22x = 22,579.83 × 7,151.86
  4. Step 4: Simplify right side
    15,063.22x = 161,487,782.98
  5. Step 5: Solve for x
    x = 161,487,782.98/15,063.22
  6. Step 6: Final answer
    x = 10,720.67

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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.