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Finding the Fourth Proportional to 69,798.36, 104,635.08 and 25,393.80

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Solution

The fourth proportional to 69,798.36, 104,635.08 and 25,393.80 is: 38,067.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,798.36 : 104,635.08 = 25,393.80 : x
  2. Step 2: Convert to fraction form
    69,798.36/104,635.08 = 25,393.80/x
  3. Step 3: Cross multiply
    69,798.36x = 104,635.08 × 25,393.80
  4. Step 4: Simplify right side
    69,798.36x = 2,657,082,294.50
  5. Step 5: Solve for x
    x = 2,657,082,294.50/69,798.36
  6. Step 6: Final answer
    x = 38,067.98

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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.