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Finding the Fourth Proportional to 27,419.70, 37,845.81 and 16,091.70

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Solution

The fourth proportional to 27,419.70, 37,845.81 and 16,091.70 is: 22,210.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,419.70 : 37,845.81 = 16,091.70 : x
  2. Step 2: Convert to fraction form
    27,419.70/37,845.81 = 16,091.70/x
  3. Step 3: Cross multiply
    27,419.70x = 37,845.81 × 16,091.70
  4. Step 4: Simplify right side
    27,419.70x = 609,003,420.78
  5. Step 5: Solve for x
    x = 609,003,420.78/27,419.70
  6. Step 6: Final answer
    x = 22,210.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.