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Finding the Fourth Proportional to 3,458.94, 4,773.56 and 1,966.29

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Solution

The fourth proportional to 3,458.94, 4,773.56 and 1,966.29 is: 2,713.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.94 : 4,773.56 = 1,966.29 : x
  2. Step 2: Convert to fraction form
    3,458.94/4,773.56 = 1,966.29/x
  3. Step 3: Cross multiply
    3,458.94x = 4,773.56 × 1,966.29
  4. Step 4: Simplify right side
    3,458.94x = 9,386,203.29
  5. Step 5: Solve for x
    x = 9,386,203.29/3,458.94
  6. Step 6: Final answer
    x = 2,713.61

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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.