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Finding the Fourth Proportional to 29,917.32, 44,875.94 and 8,855.72

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Solution

The fourth proportional to 29,917.32, 44,875.94 and 8,855.72 is: 13,283.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,917.32 : 44,875.94 = 8,855.72 : x
  2. Step 2: Convert to fraction form
    29,917.32/44,875.94 = 8,855.72/x
  3. Step 3: Cross multiply
    29,917.32x = 44,875.94 × 8,855.72
  4. Step 4: Simplify right side
    29,917.32x = 397,408,759.38
  5. Step 5: Solve for x
    x = 397,408,759.38/29,917.32
  6. Step 6: Final answer
    x = 13,283.57

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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.