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Finding the Fourth Proportional to 8,495.90, 12,745.22 and 2,952.53

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Solution

The fourth proportional to 8,495.90, 12,745.22 and 2,952.53 is: 4,429.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,495.90 : 12,745.22 = 2,952.53 : x
  2. Step 2: Convert to fraction form
    8,495.90/12,745.22 = 2,952.53/x
  3. Step 3: Cross multiply
    8,495.90x = 12,745.22 × 2,952.53
  4. Step 4: Simplify right side
    8,495.90x = 37,630,629.64
  5. Step 5: Solve for x
    x = 37,630,629.64/8,495.90
  6. Step 6: Final answer
    x = 4,429.27

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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.