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Finding the Fourth Proportional to 4,691.63, 7,044.36 and 2,615.69

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Solution

The fourth proportional to 4,691.63, 7,044.36 and 2,615.69 is: 3,927.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,691.63 : 7,044.36 = 2,615.69 : x
  2. Step 2: Convert to fraction form
    4,691.63/7,044.36 = 2,615.69/x
  3. Step 3: Cross multiply
    4,691.63x = 7,044.36 × 2,615.69
  4. Step 4: Simplify right side
    4,691.63x = 18,425,838.11
  5. Step 5: Solve for x
    x = 18,425,838.11/4,691.63
  6. Step 6: Final answer
    x = 3,927.39

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.