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Finding the Fourth Proportional to 2,754.99, 3,802.57 and 1,576.73

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Solution

The fourth proportional to 2,754.99, 3,802.57 and 1,576.73 is: 2,176.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754.99 : 3,802.57 = 1,576.73 : x
  2. Step 2: Convert to fraction form
    2,754.99/3,802.57 = 1,576.73/x
  3. Step 3: Cross multiply
    2,754.99x = 3,802.57 × 1,576.73
  4. Step 4: Simplify right side
    2,754.99x = 5,995,631.76
  5. Step 5: Solve for x
    x = 5,995,631.76/2,754.99
  6. Step 6: Final answer
    x = 2,176.28

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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.