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Finding the Fourth Proportional to 3,622.52, 4,999.06 and 1,966.52

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Solution

The fourth proportional to 3,622.52, 4,999.06 and 1,966.52 is: 2,713.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.52 : 4,999.06 = 1,966.52 : x
  2. Step 2: Convert to fraction form
    3,622.52/4,999.06 = 1,966.52/x
  3. Step 3: Cross multiply
    3,622.52x = 4,999.06 × 1,966.52
  4. Step 4: Simplify right side
    3,622.52x = 9,830,751.47
  5. Step 5: Solve for x
    x = 9,830,751.47/3,622.52
  6. Step 6: Final answer
    x = 2,713.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.