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Finding the Fourth Proportional to 32,293.38, 48,440 and 8,919.75

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Solution

The fourth proportional to 32,293.38, 48,440 and 8,919.75 is: 13,379.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,293.38 : 48,440 = 8,919.75 : x
  2. Step 2: Convert to fraction form
    32,293.38/48,440 = 8,919.75/x
  3. Step 3: Cross multiply
    32,293.38x = 48,440 × 8,919.75
  4. Step 4: Simplify right side
    32,293.38x = 432,072,690
  5. Step 5: Solve for x
    x = 432,072,690/32,293.38
  6. Step 6: Final answer
    x = 13,379.61

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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.