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Finding the Fourth Proportional to 8,895.68, 12,269.04 and 8,299.52

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Solution

The fourth proportional to 8,895.68, 12,269.04 and 8,299.52 is: 11,446.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,895.68 : 12,269.04 = 8,299.52 : x
  2. Step 2: Convert to fraction form
    8,895.68/12,269.04 = 8,299.52/x
  3. Step 3: Cross multiply
    8,895.68x = 12,269.04 × 8,299.52
  4. Step 4: Simplify right side
    8,895.68x = 101,827,142.86
  5. Step 5: Solve for x
    x = 101,827,142.86/8,895.68
  6. Step 6: Final answer
    x = 11,446.81

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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.