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Finding the Fourth Proportional to 47,473.88, 71,188.89 and 17,480.58

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Solution

The fourth proportional to 47,473.88, 71,188.89 and 17,480.58 is: 26,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,473.88 : 71,188.89 = 17,480.58 : x
  2. Step 2: Convert to fraction form
    47,473.88/71,188.89 = 17,480.58/x
  3. Step 3: Cross multiply
    47,473.88x = 71,188.89 × 17,480.58
  4. Step 4: Simplify right side
    47,473.88x = 1,244,423,264.73
  5. Step 5: Solve for x
    x = 1,244,423,264.73/47,473.88
  6. Step 6: Final answer
    x = 26,212.80

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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.