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Finding the Fourth Proportional to 6,649.61, 9,956.41 and 4,453.61

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Solution

The fourth proportional to 6,649.61, 9,956.41 and 4,453.61 is: 6,668.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,649.61 : 9,956.41 = 4,453.61 : x
  2. Step 2: Convert to fraction form
    6,649.61/9,956.41 = 4,453.61/x
  3. Step 3: Cross multiply
    6,649.61x = 9,956.41 × 4,453.61
  4. Step 4: Simplify right side
    6,649.61x = 44,341,906.22
  5. Step 5: Solve for x
    x = 44,341,906.22/6,649.61
  6. Step 6: Final answer
    x = 6,668.35

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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.