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Finding the Fourth Proportional to 3,885.58, 5,360.11 and 2,541.98

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Solution

The fourth proportional to 3,885.58, 5,360.11 and 2,541.98 is: 3,506.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.58 : 5,360.11 = 2,541.98 : x
  2. Step 2: Convert to fraction form
    3,885.58/5,360.11 = 2,541.98/x
  3. Step 3: Cross multiply
    3,885.58x = 5,360.11 × 2,541.98
  4. Step 4: Simplify right side
    3,885.58x = 13,625,292.42
  5. Step 5: Solve for x
    x = 13,625,292.42/3,885.58
  6. Step 6: Final answer
    x = 3,506.63

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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.