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Finding the Fourth Proportional to 8,495.10, 12,742.56 and 2,651.76

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Solution

The fourth proportional to 8,495.10, 12,742.56 and 2,651.76 is: 3,977.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,495.10 : 12,742.56 = 2,651.76 : x
  2. Step 2: Convert to fraction form
    8,495.10/12,742.56 = 2,651.76/x
  3. Step 3: Cross multiply
    8,495.10x = 12,742.56 × 2,651.76
  4. Step 4: Simplify right side
    8,495.10x = 33,790,210.91
  5. Step 5: Solve for x
    x = 33,790,210.91/8,495.10
  6. Step 6: Final answer
    x = 3,977.61

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1.5x scale

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.