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Finding the Fourth Proportional to 8,516.67, 11,753.01 and 4,790.67

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Solution

The fourth proportional to 8,516.67, 11,753.01 and 4,790.67 is: 6,611.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516.67 : 11,753.01 = 4,790.67 : x
  2. Step 2: Convert to fraction form
    8,516.67/11,753.01 = 4,790.67/x
  3. Step 3: Cross multiply
    8,516.67x = 11,753.01 × 4,790.67
  4. Step 4: Simplify right side
    8,516.67x = 56,304,814.45
  5. Step 5: Solve for x
    x = 56,304,814.45/8,516.67
  6. Step 6: Final answer
    x = 6,611.13

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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.