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Finding the Fourth Proportional to 6,392.26, 8,821.34 and 3,597.76

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Solution

The fourth proportional to 6,392.26, 8,821.34 and 3,597.76 is: 4,964.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,392.26 : 8,821.34 = 3,597.76 : x
  2. Step 2: Convert to fraction form
    6,392.26/8,821.34 = 3,597.76/x
  3. Step 3: Cross multiply
    6,392.26x = 8,821.34 × 3,597.76
  4. Step 4: Simplify right side
    6,392.26x = 31,737,064.20
  5. Step 5: Solve for x
    x = 31,737,064.20/6,392.26
  6. Step 6: Final answer
    x = 4,964.92

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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.