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Finding the Fourth Proportional to 8,626.86, 12,944.70 and 3,695.19

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Solution

The fourth proportional to 8,626.86, 12,944.70 and 3,695.19 is: 5,544.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,626.86 : 12,944.70 = 3,695.19 : x
  2. Step 2: Convert to fraction form
    8,626.86/12,944.70 = 3,695.19/x
  3. Step 3: Cross multiply
    8,626.86x = 12,944.70 × 3,695.19
  4. Step 4: Simplify right side
    8,626.86x = 47,833,125.99
  5. Step 5: Solve for x
    x = 47,833,125.99/8,626.86
  6. Step 6: Final answer
    x = 5,544.67

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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.