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Finding the Fourth Proportional to 35,474.60, 48,954.64 and 19,558.70

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Solution

The fourth proportional to 35,474.60, 48,954.64 and 19,558.70 is: 26,990.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,474.60 : 48,954.64 = 19,558.70 : x
  2. Step 2: Convert to fraction form
    35,474.60/48,954.64 = 19,558.70/x
  3. Step 3: Cross multiply
    35,474.60x = 48,954.64 × 19,558.70
  4. Step 4: Simplify right side
    35,474.60x = 957,489,117.37
  5. Step 5: Solve for x
    x = 957,489,117.37/35,474.60
  6. Step 6: Final answer
    x = 26,990.84

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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.