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Finding the Fourth Proportional to 47,663.58, 71,495.91 and 14,383.96

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Solution

The fourth proportional to 47,663.58, 71,495.91 and 14,383.96 is: 21,576.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,663.58 : 71,495.91 = 14,383.96 : x
  2. Step 2: Convert to fraction form
    47,663.58/71,495.91 = 14,383.96/x
  3. Step 3: Cross multiply
    47,663.58x = 71,495.91 × 14,383.96
  4. Step 4: Simplify right side
    47,663.58x = 1,028,394,309.60
  5. Step 5: Solve for x
    x = 1,028,394,309.60/47,663.58
  6. Step 6: Final answer
    x = 21,576.10

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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.