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Finding the Fourth Proportional to 5,651.90, 8,477.92 and 1,491.94

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Solution

The fourth proportional to 5,651.90, 8,477.92 and 1,491.94 is: 2,237.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.90 : 8,477.92 = 1,491.94 : x
  2. Step 2: Convert to fraction form
    5,651.90/8,477.92 = 1,491.94/x
  3. Step 3: Cross multiply
    5,651.90x = 8,477.92 × 1,491.94
  4. Step 4: Simplify right side
    5,651.90x = 12,648,560.43
  5. Step 5: Solve for x
    x = 12,648,560.43/5,651.90
  6. Step 6: Final answer
    x = 2,237.93

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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.