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Finding the Fourth Proportional to 2,011.44, 3,017.51 and 695.33

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Solution

The fourth proportional to 2,011.44, 3,017.51 and 695.33 is: 1,043.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.44 : 3,017.51 = 695.33 : x
  2. Step 2: Convert to fraction form
    2,011.44/3,017.51 = 695.33/x
  3. Step 3: Cross multiply
    2,011.44x = 3,017.51 × 695.33
  4. Step 4: Simplify right side
    2,011.44x = 2,098,151.88
  5. Step 5: Solve for x
    x = 2,098,151.88/2,011.44
  6. Step 6: Final answer
    x = 1,043.11

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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.