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Finding the Fourth Proportional to 1,832.11, 2,748.56 and 533.68

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Solution

The fourth proportional to 1,832.11, 2,748.56 and 533.68 is: 800.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832.11 : 2,748.56 = 533.68 : x
  2. Step 2: Convert to fraction form
    1,832.11/2,748.56 = 533.68/x
  3. Step 3: Cross multiply
    1,832.11x = 2,748.56 × 533.68
  4. Step 4: Simplify right side
    1,832.11x = 1,466,851.50
  5. Step 5: Solve for x
    x = 1,466,851.50/1,832.11
  6. Step 6: Final answer
    x = 800.64

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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.