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Finding the Fourth Proportional to 35,336.67, 48,750.71 and 20,221.26

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Solution

The fourth proportional to 35,336.67, 48,750.71 and 20,221.26 is: 27,897.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,336.67 : 48,750.71 = 20,221.26 : x
  2. Step 2: Convert to fraction form
    35,336.67/48,750.71 = 20,221.26/x
  3. Step 3: Cross multiply
    35,336.67x = 48,750.71 × 20,221.26
  4. Step 4: Simplify right side
    35,336.67x = 985,800,680.99
  5. Step 5: Solve for x
    x = 985,800,680.99/35,336.67
  6. Step 6: Final answer
    x = 27,897.38

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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.