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Finding the Fourth Proportional to 66,798.80, 100,198.08 and 29,349.92

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Solution

The fourth proportional to 66,798.80, 100,198.08 and 29,349.92 is: 44,024.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,798.80 : 100,198.08 = 29,349.92 : x
  2. Step 2: Convert to fraction form
    66,798.80/100,198.08 = 29,349.92/x
  3. Step 3: Cross multiply
    66,798.80x = 100,198.08 × 29,349.92
  4. Step 4: Simplify right side
    66,798.80x = 2,940,805,632.15
  5. Step 5: Solve for x
    x = 2,940,805,632.15/66,798.80
  6. Step 6: Final answer
    x = 44,024.83

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1.5x scale

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.