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Finding the Fourth Proportional to 2,324.16, 3,485.55 and 937.05

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Solution

The fourth proportional to 2,324.16, 3,485.55 and 937.05 is: 1,405.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,324.16 : 3,485.55 = 937.05 : x
  2. Step 2: Convert to fraction form
    2,324.16/3,485.55 = 937.05/x
  3. Step 3: Cross multiply
    2,324.16x = 3,485.55 × 937.05
  4. Step 4: Simplify right side
    2,324.16x = 3,266,134.63
  5. Step 5: Solve for x
    x = 3,266,134.63/2,324.16
  6. Step 6: Final answer
    x = 1,405.30

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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.