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Finding the Fourth Proportional to 3,174.66, 4,762.31 and 1,094.39

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Solution

The fourth proportional to 3,174.66, 4,762.31 and 1,094.39 is: 1,641.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.66 : 4,762.31 = 1,094.39 : x
  2. Step 2: Convert to fraction form
    3,174.66/4,762.31 = 1,094.39/x
  3. Step 3: Cross multiply
    3,174.66x = 4,762.31 × 1,094.39
  4. Step 4: Simplify right side
    3,174.66x = 5,211,795.16
  5. Step 5: Solve for x
    x = 5,211,795.16/3,174.66
  6. Step 6: Final answer
    x = 1,641.69

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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.