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Finding the Fourth Proportional to 3,393.66, 4,682.52 and 2,276

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Solution

The fourth proportional to 3,393.66, 4,682.52 and 2,276 is: 3,140.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.66 : 4,682.52 = 2,276 : x
  2. Step 2: Convert to fraction form
    3,393.66/4,682.52 = 2,276/x
  3. Step 3: Cross multiply
    3,393.66x = 4,682.52 × 2,276
  4. Step 4: Simplify right side
    3,393.66x = 10,657,415.52
  5. Step 5: Solve for x
    x = 10,657,415.52/3,393.66
  6. Step 6: Final answer
    x = 3,140.39

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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.