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Finding the Fourth Proportional to 3,441.14, 5,160.99 and 975.31

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Solution

The fourth proportional to 3,441.14, 5,160.99 and 975.31 is: 1,462.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.14 : 5,160.99 = 975.31 : x
  2. Step 2: Convert to fraction form
    3,441.14/5,160.99 = 975.31/x
  3. Step 3: Cross multiply
    3,441.14x = 5,160.99 × 975.31
  4. Step 4: Simplify right side
    3,441.14x = 5,033,565.16
  5. Step 5: Solve for x
    x = 5,033,565.16/3,441.14
  6. Step 6: Final answer
    x = 1,462.76

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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.