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Finding the Fourth Proportional to 5,574.21, 8,352.19 and 3,927.88

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Solution

The fourth proportional to 5,574.21, 8,352.19 and 3,927.88 is: 5,885.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,574.21 : 8,352.19 = 3,927.88 : x
  2. Step 2: Convert to fraction form
    5,574.21/8,352.19 = 3,927.88/x
  3. Step 3: Cross multiply
    5,574.21x = 8,352.19 × 3,927.88
  4. Step 4: Simplify right side
    5,574.21x = 32,806,400.06
  5. Step 5: Solve for x
    x = 32,806,400.06/5,574.21
  6. Step 6: Final answer
    x = 5,885.39

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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.