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Finding the Fourth Proportional to 5,579.42, 8,363.79 and 2,068.48

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Solution

The fourth proportional to 5,579.42, 8,363.79 and 2,068.48 is: 3,100.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.42 : 8,363.79 = 2,068.48 : x
  2. Step 2: Convert to fraction form
    5,579.42/8,363.79 = 2,068.48/x
  3. Step 3: Cross multiply
    5,579.42x = 8,363.79 × 2,068.48
  4. Step 4: Simplify right side
    5,579.42x = 17,300,332.34
  5. Step 5: Solve for x
    x = 17,300,332.34/5,579.42
  6. Step 6: Final answer
    x = 3,100.74

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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.