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Finding the Fourth Proportional to 5,874.33, 8,811.51 and 1,491.78

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Solution

The fourth proportional to 5,874.33, 8,811.51 and 1,491.78 is: 2,237.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.33 : 8,811.51 = 1,491.78 : x
  2. Step 2: Convert to fraction form
    5,874.33/8,811.51 = 1,491.78/x
  3. Step 3: Cross multiply
    5,874.33x = 8,811.51 × 1,491.78
  4. Step 4: Simplify right side
    5,874.33x = 13,144,834.39
  5. Step 5: Solve for x
    x = 13,144,834.39/5,874.33
  6. Step 6: Final answer
    x = 2,237.67

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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.