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Finding the Fourth Proportional to 1,832.50, 2,748.75 and 464.50

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Solution

The fourth proportional to 1,832.50, 2,748.75 and 464.50 is: 696.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832.50 : 2,748.75 = 464.50 : x
  2. Step 2: Convert to fraction form
    1,832.50/2,748.75 = 464.50/x
  3. Step 3: Cross multiply
    1,832.50x = 2,748.75 × 464.50
  4. Step 4: Simplify right side
    1,832.50x = 1,276,794.38
  5. Step 5: Solve for x
    x = 1,276,794.38/1,832.50
  6. Step 6: Final answer
    x = 696.75

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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.