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Finding the Fourth Proportional to 3,885.41, 5,830.54 and 1,576.91

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Solution

The fourth proportional to 3,885.41, 5,830.54 and 1,576.91 is: 2,366.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.41 : 5,830.54 = 1,576.91 : x
  2. Step 2: Convert to fraction form
    3,885.41/5,830.54 = 1,576.91/x
  3. Step 3: Cross multiply
    3,885.41x = 5,830.54 × 1,576.91
  4. Step 4: Simplify right side
    3,885.41x = 9,194,203.74
  5. Step 5: Solve for x
    x = 9,194,203.74/3,885.41
  6. Step 6: Final answer
    x = 2,366.34

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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.