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Finding the Fourth Proportional to 2,533.91, 3,801.78 and 1,809.17

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Solution

The fourth proportional to 2,533.91, 3,801.78 and 1,809.17 is: 2,714.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,533.91 : 3,801.78 = 1,809.17 : x
  2. Step 2: Convert to fraction form
    2,533.91/3,801.78 = 1,809.17/x
  3. Step 3: Cross multiply
    2,533.91x = 3,801.78 × 1,809.17
  4. Step 4: Simplify right side
    2,533.91x = 6,878,066.32
  5. Step 5: Solve for x
    x = 6,878,066.32/2,533.91
  6. Step 6: Final answer
    x = 2,714.41

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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.