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Finding the Fourth Proportional to 43,798.92, 65,641.27 and 20,097.91

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Solution

The fourth proportional to 43,798.92, 65,641.27 and 20,097.91 is: 30,120.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,798.92 : 65,641.27 = 20,097.91 : x
  2. Step 2: Convert to fraction form
    43,798.92/65,641.27 = 20,097.91/x
  3. Step 3: Cross multiply
    43,798.92x = 65,641.27 × 20,097.91
  4. Step 4: Simplify right side
    43,798.92x = 1,319,252,336.75
  5. Step 5: Solve for x
    x = 1,319,252,336.75/43,798.92
  6. Step 6: Final answer
    x = 30,120.66

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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.