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Finding the Fourth Proportional to 2,001.88, 2,763 and 1,162.76

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Solution

The fourth proportional to 2,001.88, 2,763 and 1,162.76 is: 1,604.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.88 : 2,763 = 1,162.76 : x
  2. Step 2: Convert to fraction form
    2,001.88/2,763 = 1,162.76/x
  3. Step 3: Cross multiply
    2,001.88x = 2,763 × 1,162.76
  4. Step 4: Simplify right side
    2,001.88x = 3,212,705.88
  5. Step 5: Solve for x
    x = 3,212,705.88/2,001.88
  6. Step 6: Final answer
    x = 1,604.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.