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Finding the Fourth Proportional to 1,675.01, 2,512.41 and 505.06

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Solution

The fourth proportional to 1,675.01, 2,512.41 and 505.06 is: 757.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.01 : 2,512.41 = 505.06 : x
  2. Step 2: Convert to fraction form
    1,675.01/2,512.41 = 505.06/x
  3. Step 3: Cross multiply
    1,675.01x = 2,512.41 × 505.06
  4. Step 4: Simplify right side
    1,675.01x = 1,268,906.50
  5. Step 5: Solve for x
    x = 1,268,906.50/1,675.01
  6. Step 6: Final answer
    x = 757.55

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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.