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Finding the Fourth Proportional to 35,274.24, 48,678.84 and 20,166.66

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Solution

The fourth proportional to 35,274.24, 48,678.84 and 20,166.66 is: 27,830.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,274.24 : 48,678.84 = 20,166.66 : x
  2. Step 2: Convert to fraction form
    35,274.24/48,678.84 = 20,166.66/x
  3. Step 3: Cross multiply
    35,274.24x = 48,678.84 × 20,166.66
  4. Step 4: Simplify right side
    35,274.24x = 981,689,615.47
  5. Step 5: Solve for x
    x = 981,689,615.47/35,274.24
  6. Step 6: Final answer
    x = 27,830.21

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