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Finding the Fourth Proportional to 2,555.08, 3,832.64 and 706.30

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Solution

The fourth proportional to 2,555.08, 3,832.64 and 706.30 is: 1,059.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.08 : 3,832.64 = 706.30 : x
  2. Step 2: Convert to fraction form
    2,555.08/3,832.64 = 706.30/x
  3. Step 3: Cross multiply
    2,555.08x = 3,832.64 × 706.30
  4. Step 4: Simplify right side
    2,555.08x = 2,706,993.63
  5. Step 5: Solve for x
    x = 2,706,993.63/2,555.08
  6. Step 6: Final answer
    x = 1,059.46

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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.