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Finding the Fourth Proportional to 3,048.90, 4,571.99 and 968.52

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Solution

The fourth proportional to 3,048.90, 4,571.99 and 968.52 is: 1,452.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.90 : 4,571.99 = 968.52 : x
  2. Step 2: Convert to fraction form
    3,048.90/4,571.99 = 968.52/x
  3. Step 3: Cross multiply
    3,048.90x = 4,571.99 × 968.52
  4. Step 4: Simplify right side
    3,048.90x = 4,428,063.75
  5. Step 5: Solve for x
    x = 4,428,063.75/3,048.90
  6. Step 6: Final answer
    x = 1,452.35

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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.