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Finding the Fourth Proportional to 47,673.90, 71,522.41 and 14,391.98

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Solution

The fourth proportional to 47,673.90, 71,522.41 and 14,391.98 is: 21,591.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,673.90 : 71,522.41 = 14,391.98 : x
  2. Step 2: Convert to fraction form
    47,673.90/71,522.41 = 14,391.98/x
  3. Step 3: Cross multiply
    47,673.90x = 71,522.41 × 14,391.98
  4. Step 4: Simplify right side
    47,673.90x = 1,029,348,736.66
  5. Step 5: Solve for x
    x = 1,029,348,736.66/47,673.90
  6. Step 6: Final answer
    x = 21,591.45

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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.