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Finding the Fourth Proportional to 2,700.84, 4,051.26 and 1,057.87

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Solution

The fourth proportional to 2,700.84, 4,051.26 and 1,057.87 is: 1,586.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.84 : 4,051.26 = 1,057.87 : x
  2. Step 2: Convert to fraction form
    2,700.84/4,051.26 = 1,057.87/x
  3. Step 3: Cross multiply
    2,700.84x = 4,051.26 × 1,057.87
  4. Step 4: Simplify right side
    2,700.84x = 4,285,706.42
  5. Step 5: Solve for x
    x = 4,285,706.42/2,700.84
  6. Step 6: Final answer
    x = 1,586.81

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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.