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Finding the Fourth Proportional to 27,893.69, 41,845.14 and 13,854.18

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Solution

The fourth proportional to 27,893.69, 41,845.14 and 13,854.18 is: 20,783.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,893.69 : 41,845.14 = 13,854.18 : x
  2. Step 2: Convert to fraction form
    27,893.69/41,845.14 = 13,854.18/x
  3. Step 3: Cross multiply
    27,893.69x = 41,845.14 × 13,854.18
  4. Step 4: Simplify right side
    27,893.69x = 579,730,101.69
  5. Step 5: Solve for x
    x = 579,730,101.69/27,893.69
  6. Step 6: Final answer
    x = 20,783.56

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1.5x scale

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.