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Finding the Fourth Proportional to 5,579.52, 8,369.05 and 1,881.74

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Solution

The fourth proportional to 5,579.52, 8,369.05 and 1,881.74 is: 2,822.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.52 : 8,369.05 = 1,881.74 : x
  2. Step 2: Convert to fraction form
    5,579.52/8,369.05 = 1,881.74/x
  3. Step 3: Cross multiply
    5,579.52x = 8,369.05 × 1,881.74
  4. Step 4: Simplify right side
    5,579.52x = 15,748,376.15
  5. Step 5: Solve for x
    x = 15,748,376.15/5,579.52
  6. Step 6: Final answer
    x = 2,822.53

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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.