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Finding the Fourth Proportional to 8,495.63, 12,730.44 and 3,562.57

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Solution

The fourth proportional to 8,495.63, 12,730.44 and 3,562.57 is: 5,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,495.63 : 12,730.44 = 3,562.57 : x
  2. Step 2: Convert to fraction form
    8,495.63/12,730.44 = 3,562.57/x
  3. Step 3: Cross multiply
    8,495.63x = 12,730.44 × 3,562.57
  4. Step 4: Simplify right side
    8,495.63x = 45,353,083.63
  5. Step 5: Solve for x
    x = 45,353,083.63/8,495.63
  6. Step 6: Final answer
    x = 5,338.40

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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.