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Finding the Fourth Proportional to 8,374.88, 12,559.84 and 3,693.67

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Solution

The fourth proportional to 8,374.88, 12,559.84 and 3,693.67 is: 5,539.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.88 : 12,559.84 = 3,693.67 : x
  2. Step 2: Convert to fraction form
    8,374.88/12,559.84 = 3,693.67/x
  3. Step 3: Cross multiply
    8,374.88x = 12,559.84 × 3,693.67
  4. Step 4: Simplify right side
    8,374.88x = 46,391,884.36
  5. Step 5: Solve for x
    x = 46,391,884.36/8,374.88
  6. Step 6: Final answer
    x = 5,539.41

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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.