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Finding the Fourth Proportional to 35,584.70, 49,101.79 and 20,471.58

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Solution

The fourth proportional to 35,584.70, 49,101.79 and 20,471.58 is: 28,247.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,584.70 : 49,101.79 = 20,471.58 : x
  2. Step 2: Convert to fraction form
    35,584.70/49,101.79 = 20,471.58/x
  3. Step 3: Cross multiply
    35,584.70x = 49,101.79 × 20,471.58
  4. Step 4: Simplify right side
    35,584.70x = 1,005,191,119.77
  5. Step 5: Solve for x
    x = 1,005,191,119.77/35,584.70
  6. Step 6: Final answer
    x = 28,247.85

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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.