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Finding the Fourth Proportional to 1,832.63, 2,748.98 and 662.74

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Solution

The fourth proportional to 1,832.63, 2,748.98 and 662.74 is: 994.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832.63 : 2,748.98 = 662.74 : x
  2. Step 2: Convert to fraction form
    1,832.63/2,748.98 = 662.74/x
  3. Step 3: Cross multiply
    1,832.63x = 2,748.98 × 662.74
  4. Step 4: Simplify right side
    1,832.63x = 1,821,853.79
  5. Step 5: Solve for x
    x = 1,821,853.79/1,832.63
  6. Step 6: Final answer
    x = 994.12

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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.