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Finding the Fourth Proportional to 6,768.54, 9,320.22 and 6,373.98

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Solution

The fourth proportional to 6,768.54, 9,320.22 and 6,373.98 is: 8,776.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768.54 : 9,320.22 = 6,373.98 : x
  2. Step 2: Convert to fraction form
    6,768.54/9,320.22 = 6,373.98/x
  3. Step 3: Cross multiply
    6,768.54x = 9,320.22 × 6,373.98
  4. Step 4: Simplify right side
    6,768.54x = 59,406,895.88
  5. Step 5: Solve for x
    x = 59,406,895.88/6,768.54
  6. Step 6: Final answer
    x = 8,776.91

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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.