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Finding the Fourth Proportional to 6,761.07, 9,323.91 and 4,885.11

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Solution

The fourth proportional to 6,761.07, 9,323.91 and 4,885.11 is: 6,736.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761.07 : 9,323.91 = 4,885.11 : x
  2. Step 2: Convert to fraction form
    6,761.07/9,323.91 = 4,885.11/x
  3. Step 3: Cross multiply
    6,761.07x = 9,323.91 × 4,885.11
  4. Step 4: Simplify right side
    6,761.07x = 45,548,325.98
  5. Step 5: Solve for x
    x = 45,548,325.98/6,761.07
  6. Step 6: Final answer
    x = 6,736.85

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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.