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Finding the Fourth Proportional to 4,902.99, 7,362.65 and 2,680.53

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Solution

The fourth proportional to 4,902.99, 7,362.65 and 2,680.53 is: 4,025.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.99 : 7,362.65 = 2,680.53 : x
  2. Step 2: Convert to fraction form
    4,902.99/7,362.65 = 2,680.53/x
  3. Step 3: Cross multiply
    4,902.99x = 7,362.65 × 2,680.53
  4. Step 4: Simplify right side
    4,902.99x = 19,735,804.20
  5. Step 5: Solve for x
    x = 19,735,804.20/4,902.99
  6. Step 6: Final answer
    x = 4,025.26

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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.