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Finding the Fourth Proportional to 8,007.63, 11,049.78 and 4,650.38

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Solution

The fourth proportional to 8,007.63, 11,049.78 and 4,650.38 is: 6,417.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007.63 : 11,049.78 = 4,650.38 : x
  2. Step 2: Convert to fraction form
    8,007.63/11,049.78 = 4,650.38/x
  3. Step 3: Cross multiply
    8,007.63x = 11,049.78 × 4,650.38
  4. Step 4: Simplify right side
    8,007.63x = 51,385,679.54
  5. Step 5: Solve for x
    x = 51,385,679.54/8,007.63
  6. Step 6: Final answer
    x = 6,417.09

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.