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Finding the Fourth Proportional to 8,495.46, 12,742.74 and 2,651.64

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Solution

The fourth proportional to 8,495.46, 12,742.74 and 2,651.64 is: 3,977.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,495.46 : 12,742.74 = 2,651.64 : x
  2. Step 2: Convert to fraction form
    8,495.46/12,742.74 = 2,651.64/x
  3. Step 3: Cross multiply
    8,495.46x = 12,742.74 × 2,651.64
  4. Step 4: Simplify right side
    8,495.46x = 33,789,159.09
  5. Step 5: Solve for x
    x = 33,789,159.09/8,495.46
  6. Step 6: Final answer
    x = 3,977.32

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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.