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Finding the Fourth Proportional to 69,848.72, 104,773.08 and 17,258.96

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Solution

The fourth proportional to 69,848.72, 104,773.08 and 17,258.96 is: 25,888.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,848.72 : 104,773.08 = 17,258.96 : x
  2. Step 2: Convert to fraction form
    69,848.72/104,773.08 = 17,258.96/x
  3. Step 3: Cross multiply
    69,848.72x = 104,773.08 × 17,258.96
  4. Step 4: Simplify right side
    69,848.72x = 1,808,274,396.80
  5. Step 5: Solve for x
    x = 1,808,274,396.80/69,848.72
  6. Step 6: Final answer
    x = 25,888.44

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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.