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Finding the Fourth Proportional to 2,036.96, 3,055.50 and 650.44

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Solution

The fourth proportional to 2,036.96, 3,055.50 and 650.44 is: 975.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.96 : 3,055.50 = 650.44 : x
  2. Step 2: Convert to fraction form
    2,036.96/3,055.50 = 650.44/x
  3. Step 3: Cross multiply
    2,036.96x = 3,055.50 × 650.44
  4. Step 4: Simplify right side
    2,036.96x = 1,987,411.78
  5. Step 5: Solve for x
    x = 1,987,411.78/2,036.96
  6. Step 6: Final answer
    x = 975.68

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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.