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Finding the Fourth Proportional to 14,627.91, 21,944.14 and 4,764.90

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Solution

The fourth proportional to 14,627.91, 21,944.14 and 4,764.90 is: 7,148.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,627.91 : 21,944.14 = 4,764.90 : x
  2. Step 2: Convert to fraction form
    14,627.91/21,944.14 = 4,764.90/x
  3. Step 3: Cross multiply
    14,627.91x = 21,944.14 × 4,764.90
  4. Step 4: Simplify right side
    14,627.91x = 104,561,632.69
  5. Step 5: Solve for x
    x = 104,561,632.69/14,627.91
  6. Step 6: Final answer
    x = 7,148.09

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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.