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Finding the Fourth Proportional to 8,927.10, 13,372.43 and 4,232.88

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Solution

The fourth proportional to 8,927.10, 13,372.43 and 4,232.88 is: 6,340.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.10 : 13,372.43 = 4,232.88 : x
  2. Step 2: Convert to fraction form
    8,927.10/13,372.43 = 4,232.88/x
  3. Step 3: Cross multiply
    8,927.10x = 13,372.43 × 4,232.88
  4. Step 4: Simplify right side
    8,927.10x = 56,603,870.33
  5. Step 5: Solve for x
    x = 56,603,870.33/8,927.10
  6. Step 6: Final answer
    x = 6,340.68

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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.