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Finding the Fourth Proportional to 8,586.62, 12,863.51 and 5,808.52

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Solution

The fourth proportional to 8,586.62, 12,863.51 and 5,808.52 is: 8,701.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.62 : 12,863.51 = 5,808.52 : x
  2. Step 2: Convert to fraction form
    8,586.62/12,863.51 = 5,808.52/x
  3. Step 3: Cross multiply
    8,586.62x = 12,863.51 × 5,808.52
  4. Step 4: Simplify right side
    8,586.62x = 74,717,955.11
  5. Step 5: Solve for x
    x = 74,717,955.11/8,586.62
  6. Step 6: Final answer
    x = 8,701.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.