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Finding the Fourth Proportional to 8,634.41, 12,944.12 and 4,472.22

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Solution

The fourth proportional to 8,634.41, 12,944.12 and 4,472.22 is: 6,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.41 : 12,944.12 = 4,472.22 : x
  2. Step 2: Convert to fraction form
    8,634.41/12,944.12 = 4,472.22/x
  3. Step 3: Cross multiply
    8,634.41x = 12,944.12 × 4,472.22
  4. Step 4: Simplify right side
    8,634.41x = 57,888,929.99
  5. Step 5: Solve for x
    x = 57,888,929.99/8,634.41
  6. Step 6: Final answer
    x = 6,704.45

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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.