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Finding the Fourth Proportional to 6,734.82, 9,279.95 and 6,267.63

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Solution

The fourth proportional to 6,734.82, 9,279.95 and 6,267.63 is: 8,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,734.82 : 9,279.95 = 6,267.63 : x
  2. Step 2: Convert to fraction form
    6,734.82/9,279.95 = 6,267.63/x
  3. Step 3: Cross multiply
    6,734.82x = 9,279.95 × 6,267.63
  4. Step 4: Simplify right side
    6,734.82x = 58,163,261.68
  5. Step 5: Solve for x
    x = 58,163,261.68/6,734.82
  6. Step 6: Final answer
    x = 8,636.20

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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.