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Finding the Fourth Proportional to 8,495.44, 12,748.66 and 3,301.31

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Solution

The fourth proportional to 8,495.44, 12,748.66 and 3,301.31 is: 4,954.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,495.44 : 12,748.66 = 3,301.31 : x
  2. Step 2: Convert to fraction form
    8,495.44/12,748.66 = 3,301.31/x
  3. Step 3: Cross multiply
    8,495.44x = 12,748.66 × 3,301.31
  4. Step 4: Simplify right side
    8,495.44x = 42,087,302.36
  5. Step 5: Solve for x
    x = 42,087,302.36/8,495.44
  6. Step 6: Final answer
    x = 4,954.11

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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.