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Finding the Fourth Proportional to 6,579.75, 9,870.75 and 2,881.89

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Solution

The fourth proportional to 6,579.75, 9,870.75 and 2,881.89 is: 4,323.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.75 : 9,870.75 = 2,881.89 : x
  2. Step 2: Convert to fraction form
    6,579.75/9,870.75 = 2,881.89/x
  3. Step 3: Cross multiply
    6,579.75x = 9,870.75 × 2,881.89
  4. Step 4: Simplify right side
    6,579.75x = 28,446,415.72
  5. Step 5: Solve for x
    x = 28,446,415.72/6,579.75
  6. Step 6: Final answer
    x = 4,323.33

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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.