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Finding the Fourth Proportional to 45,973.80, 68,902.92 and 19,647.54

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Solution

The fourth proportional to 45,973.80, 68,902.92 and 19,647.54 is: 29,446.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,973.80 : 68,902.92 = 19,647.54 : x
  2. Step 2: Convert to fraction form
    45,973.80/68,902.92 = 19,647.54/x
  3. Step 3: Cross multiply
    45,973.80x = 68,902.92 × 19,647.54
  4. Step 4: Simplify right side
    45,973.80x = 1,353,772,876.82
  5. Step 5: Solve for x
    x = 1,353,772,876.82/45,973.80
  6. Step 6: Final answer
    x = 29,446.62

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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.