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Finding the Fourth Proportional to 35,270.89, 48,673.80 and 20,163.89

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Solution

The fourth proportional to 35,270.89, 48,673.80 and 20,163.89 is: 27,826.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,270.89 : 48,673.80 = 20,163.89 : x
  2. Step 2: Convert to fraction form
    35,270.89/48,673.80 = 20,163.89/x
  3. Step 3: Cross multiply
    35,270.89x = 48,673.80 × 20,163.89
  4. Step 4: Simplify right side
    35,270.89x = 981,453,270.77
  5. Step 5: Solve for x
    x = 981,453,270.77/35,270.89
  6. Step 6: Final answer
    x = 27,826.16

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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.