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Finding the Fourth Proportional to 35,465.70, 48,942.65 and 19,550.41

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Solution

The fourth proportional to 35,465.70, 48,942.65 and 19,550.41 is: 26,979.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,465.70 : 48,942.65 = 19,550.41 : x
  2. Step 2: Convert to fraction form
    35,465.70/48,942.65 = 19,550.41/x
  3. Step 3: Cross multiply
    35,465.70x = 48,942.65 × 19,550.41
  4. Step 4: Simplify right side
    35,465.70x = 956,848,873.99
  5. Step 5: Solve for x
    x = 956,848,873.99/35,465.70
  6. Step 6: Final answer
    x = 26,979.56

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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.