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Finding the Fourth Proportional to 3,308.61, 4,962.93 and 2,018.28

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Solution

The fourth proportional to 3,308.61, 4,962.93 and 2,018.28 is: 3,027.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.61 : 4,962.93 = 2,018.28 : x
  2. Step 2: Convert to fraction form
    3,308.61/4,962.93 = 2,018.28/x
  3. Step 3: Cross multiply
    3,308.61x = 4,962.93 × 2,018.28
  4. Step 4: Simplify right side
    3,308.61x = 10,016,582.36
  5. Step 5: Solve for x
    x = 10,016,582.36/3,308.61
  6. Step 6: Final answer
    x = 3,027.43

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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.