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Finding the Fourth Proportional to 5,874.35, 8,811.54 and 1,491.80

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Solution

The fourth proportional to 5,874.35, 8,811.54 and 1,491.80 is: 2,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.35 : 8,811.54 = 1,491.80 : x
  2. Step 2: Convert to fraction form
    5,874.35/8,811.54 = 1,491.80/x
  3. Step 3: Cross multiply
    5,874.35x = 8,811.54 × 1,491.80
  4. Step 4: Simplify right side
    5,874.35x = 13,145,011.31
  5. Step 5: Solve for x
    x = 13,145,011.31/5,874.35
  6. Step 6: Final answer
    x = 2,237.70

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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.