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Finding the Fourth Proportional to 2,162.15, 3,242.54 and 701.00

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Solution

The fourth proportional to 2,162.15, 3,242.54 and 701.00 is: 1,051.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.15 : 3,242.54 = 701.00 : x
  2. Step 2: Convert to fraction form
    2,162.15/3,242.54 = 701.00/x
  3. Step 3: Cross multiply
    2,162.15x = 3,242.54 × 701.00
  4. Step 4: Simplify right side
    2,162.15x = 2,273,000.82
  5. Step 5: Solve for x
    x = 2,273,000.82/2,162.15
  6. Step 6: Final answer
    x = 1,051.27

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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.