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Finding the Fourth Proportional to 5,366.99, 8,051.86 and 1,669.25

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Solution

The fourth proportional to 5,366.99, 8,051.86 and 1,669.25 is: 2,504.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,366.99 : 8,051.86 = 1,669.25 : x
  2. Step 2: Convert to fraction form
    5,366.99/8,051.86 = 1,669.25/x
  3. Step 3: Cross multiply
    5,366.99x = 8,051.86 × 1,669.25
  4. Step 4: Simplify right side
    5,366.99x = 13,440,586.39
  5. Step 5: Solve for x
    x = 13,440,586.39/5,366.99
  6. Step 6: Final answer
    x = 2,504.31

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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.