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Finding the Fourth Proportional to 69,616.78, 104,425.17 and 17,025.64

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Solution

The fourth proportional to 69,616.78, 104,425.17 and 17,025.64 is: 25,538.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,616.78 : 104,425.17 = 17,025.64 : x
  2. Step 2: Convert to fraction form
    69,616.78/104,425.17 = 17,025.64/x
  3. Step 3: Cross multiply
    69,616.78x = 104,425.17 × 17,025.64
  4. Step 4: Simplify right side
    69,616.78x = 1,777,905,351.36
  5. Step 5: Solve for x
    x = 1,777,905,351.36/69,616.78
  6. Step 6: Final answer
    x = 25,538.46

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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.