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Finding the Fourth Proportional to 6,579.54, 9,870.75 and 2,880.54

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Solution

The fourth proportional to 6,579.54, 9,870.75 and 2,880.54 is: 4,321.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.54 : 9,870.75 = 2,880.54 : x
  2. Step 2: Convert to fraction form
    6,579.54/9,870.75 = 2,880.54/x
  3. Step 3: Cross multiply
    6,579.54x = 9,870.75 × 2,880.54
  4. Step 4: Simplify right side
    6,579.54x = 28,433,090.21
  5. Step 5: Solve for x
    x = 28,433,090.21/6,579.54
  6. Step 6: Final answer
    x = 4,321.44

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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.