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Finding the Fourth Proportional to 5,959.71, 8,940.27 and 1,577.21

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Solution

The fourth proportional to 5,959.71, 8,940.27 and 1,577.21 is: 2,365.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,959.71 : 8,940.27 = 1,577.21 : x
  2. Step 2: Convert to fraction form
    5,959.71/8,940.27 = 1,577.21/x
  3. Step 3: Cross multiply
    5,959.71x = 8,940.27 × 1,577.21
  4. Step 4: Simplify right side
    5,959.71x = 14,100,638.55
  5. Step 5: Solve for x
    x = 14,100,638.55/5,959.71
  6. Step 6: Final answer
    x = 2,365.99

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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.