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Finding the Fourth Proportional to 27,893.59, 41,842.71 and 8,920.91

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Solution

The fourth proportional to 27,893.59, 41,842.71 and 8,920.91 is: 13,382.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,893.59 : 41,842.71 = 8,920.91 : x
  2. Step 2: Convert to fraction form
    27,893.59/41,842.71 = 8,920.91/x
  3. Step 3: Cross multiply
    27,893.59x = 41,842.71 × 8,920.91
  4. Step 4: Simplify right side
    27,893.59x = 373,275,050.07
  5. Step 5: Solve for x
    x = 373,275,050.07/27,893.59
  6. Step 6: Final answer
    x = 13,382.11

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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.