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Finding the Fourth Proportional to 8,495.28, 12,743.73 and 2,650.32

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Solution

The fourth proportional to 8,495.28, 12,743.73 and 2,650.32 is: 3,975.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,495.28 : 12,743.73 = 2,650.32 : x
  2. Step 2: Convert to fraction form
    8,495.28/12,743.73 = 2,650.32/x
  3. Step 3: Cross multiply
    8,495.28x = 12,743.73 × 2,650.32
  4. Step 4: Simplify right side
    8,495.28x = 33,774,962.49
  5. Step 5: Solve for x
    x = 33,774,962.49/8,495.28
  6. Step 6: Final answer
    x = 3,975.73

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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.