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Finding the Fourth Proportional to 35,474.40, 48,954.63 and 19,559.10

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Solution

The fourth proportional to 35,474.40, 48,954.63 and 19,559.10 is: 26,991.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,474.40 : 48,954.63 = 19,559.10 : x
  2. Step 2: Convert to fraction form
    35,474.40/48,954.63 = 19,559.10/x
  3. Step 3: Cross multiply
    35,474.40x = 48,954.63 × 19,559.10
  4. Step 4: Simplify right side
    35,474.40x = 957,508,503.63
  5. Step 5: Solve for x
    x = 957,508,503.63/35,474.40
  6. Step 6: Final answer
    x = 26,991.53

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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.