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Finding the Fourth Proportional to 34,904.96, 48,169.42 and 18,989.42

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Solution

The fourth proportional to 34,904.96, 48,169.42 and 18,989.42 is: 26,205.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,904.96 : 48,169.42 = 18,989.42 : x
  2. Step 2: Convert to fraction form
    34,904.96/48,169.42 = 18,989.42/x
  3. Step 3: Cross multiply
    34,904.96x = 48,169.42 × 18,989.42
  4. Step 4: Simplify right side
    34,904.96x = 914,709,347.54
  5. Step 5: Solve for x
    x = 914,709,347.54/34,904.96
  6. Step 6: Final answer
    x = 26,205.71

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1.5x scale

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.