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Finding the Fourth Proportional to 47,396.80, 71,040.52 and 17,795.75

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Solution

The fourth proportional to 47,396.80, 71,040.52 and 17,795.75 is: 26,673.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,396.80 : 71,040.52 = 17,795.75 : x
  2. Step 2: Convert to fraction form
    47,396.80/71,040.52 = 17,795.75/x
  3. Step 3: Cross multiply
    47,396.80x = 71,040.52 × 17,795.75
  4. Step 4: Simplify right side
    47,396.80x = 1,264,219,333.79
  5. Step 5: Solve for x
    x = 1,264,219,333.79/47,396.80
  6. Step 6: Final answer
    x = 26,673.09

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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.