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Finding the Fourth Proportional to 3,579.61, 5,367.79 and 2,328.97

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Solution

The fourth proportional to 3,579.61, 5,367.79 and 2,328.97 is: 3,492.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.61 : 5,367.79 = 2,328.97 : x
  2. Step 2: Convert to fraction form
    3,579.61/5,367.79 = 2,328.97/x
  3. Step 3: Cross multiply
    3,579.61x = 5,367.79 × 2,328.97
  4. Step 4: Simplify right side
    3,579.61x = 12,501,421.88
  5. Step 5: Solve for x
    x = 12,501,421.88/3,579.61
  6. Step 6: Final answer
    x = 3,492.40

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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.