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Finding the Fourth Proportional to 2,576.94, 3,871.74 and 1,652.88

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Solution

The fourth proportional to 2,576.94, 3,871.74 and 1,652.88 is: 2,483.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.94 : 3,871.74 = 1,652.88 : x
  2. Step 2: Convert to fraction form
    2,576.94/3,871.74 = 1,652.88/x
  3. Step 3: Cross multiply
    2,576.94x = 3,871.74 × 1,652.88
  4. Step 4: Simplify right side
    2,576.94x = 6,399,521.61
  5. Step 5: Solve for x
    x = 6,399,521.61/2,576.94
  6. Step 6: Final answer
    x = 2,483.38

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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.