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Finding the Fourth Proportional to 8,899.87, 13,351.83 and 4,737.69

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Solution

The fourth proportional to 8,899.87, 13,351.83 and 4,737.69 is: 7,107.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.87 : 13,351.83 = 4,737.69 : x
  2. Step 2: Convert to fraction form
    8,899.87/13,351.83 = 4,737.69/x
  3. Step 3: Cross multiply
    8,899.87x = 13,351.83 × 4,737.69
  4. Step 4: Simplify right side
    8,899.87x = 63,256,831.47
  5. Step 5: Solve for x
    x = 63,256,831.47/8,899.87
  6. Step 6: Final answer
    x = 7,107.61

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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.