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Finding the Fourth Proportional to 3,159.14, 4,739.24 and 967.37

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Solution

The fourth proportional to 3,159.14, 4,739.24 and 967.37 is: 1,451.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.14 : 4,739.24 = 967.37 : x
  2. Step 2: Convert to fraction form
    3,159.14/4,739.24 = 967.37/x
  3. Step 3: Cross multiply
    3,159.14x = 4,739.24 × 967.37
  4. Step 4: Simplify right side
    3,159.14x = 4,584,577.32
  5. Step 5: Solve for x
    x = 4,584,577.32/3,159.14
  6. Step 6: Final answer
    x = 1,451.21

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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.