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Finding the Fourth Proportional to 35,474.79, 48,955.55 and 19,559.81

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Solution

The fourth proportional to 35,474.79, 48,955.55 and 19,559.81 is: 26,992.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,474.79 : 48,955.55 = 19,559.81 : x
  2. Step 2: Convert to fraction form
    35,474.79/48,955.55 = 19,559.81/x
  3. Step 3: Cross multiply
    35,474.79x = 48,955.55 × 19,559.81
  4. Step 4: Simplify right side
    35,474.79x = 957,560,913.87
  5. Step 5: Solve for x
    x = 957,560,913.87/35,474.79
  6. Step 6: Final answer
    x = 26,992.72

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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.