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Finding the Fourth Proportional to 14,600.38, 20,148.52 and 7,976.38

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Solution

The fourth proportional to 14,600.38, 20,148.52 and 7,976.38 is: 11,007.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,600.38 : 20,148.52 = 7,976.38 : x
  2. Step 2: Convert to fraction form
    14,600.38/20,148.52 = 7,976.38/x
  3. Step 3: Cross multiply
    14,600.38x = 20,148.52 × 7,976.38
  4. Step 4: Simplify right side
    14,600.38x = 160,712,151.22
  5. Step 5: Solve for x
    x = 160,712,151.22/14,600.38
  6. Step 6: Final answer
    x = 11,007.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.