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Finding the Fourth Proportional to 6,367.04, 8,786.64 and 3,572.72

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Solution

The fourth proportional to 6,367.04, 8,786.64 and 3,572.72 is: 4,930.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,367.04 : 8,786.64 = 3,572.72 : x
  2. Step 2: Convert to fraction form
    6,367.04/8,786.64 = 3,572.72/x
  3. Step 3: Cross multiply
    6,367.04x = 8,786.64 × 3,572.72
  4. Step 4: Simplify right side
    6,367.04x = 31,392,204.46
  5. Step 5: Solve for x
    x = 31,392,204.46/6,367.04
  6. Step 6: Final answer
    x = 4,930.42

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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.