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Finding the Fourth Proportional to 8,885.83, 12,263.94 and 6,757.94

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Solution

The fourth proportional to 8,885.83, 12,263.94 and 6,757.94 is: 9,327.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.83 : 12,263.94 = 6,757.94 : x
  2. Step 2: Convert to fraction form
    8,885.83/12,263.94 = 6,757.94/x
  3. Step 3: Cross multiply
    8,885.83x = 12,263.94 × 6,757.94
  4. Step 4: Simplify right side
    8,885.83x = 82,879,047.10
  5. Step 5: Solve for x
    x = 82,879,047.10/8,885.83
  6. Step 6: Final answer
    x = 9,327.11

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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.