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Finding the Fourth Proportional to 8,928.37, 13,375.14 and 4,241.71

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Solution

The fourth proportional to 8,928.37, 13,375.14 and 4,241.71 is: 6,354.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.37 : 13,375.14 = 4,241.71 : x
  2. Step 2: Convert to fraction form
    8,928.37/13,375.14 = 4,241.71/x
  3. Step 3: Cross multiply
    8,928.37x = 13,375.14 × 4,241.71
  4. Step 4: Simplify right side
    8,928.37x = 56,733,465.09
  5. Step 5: Solve for x
    x = 56,733,465.09/8,928.37
  6. Step 6: Final answer
    x = 6,354.29

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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.