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Finding the Fourth Proportional to 34,859.88, 48,106.94 and 18,944.33

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Solution

The fourth proportional to 34,859.88, 48,106.94 and 18,944.33 is: 26,143.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,859.88 : 48,106.94 = 18,944.33 : x
  2. Step 2: Convert to fraction form
    34,859.88/48,106.94 = 18,944.33/x
  3. Step 3: Cross multiply
    34,859.88x = 48,106.94 × 18,944.33
  4. Step 4: Simplify right side
    34,859.88x = 911,353,411.39
  5. Step 5: Solve for x
    x = 911,353,411.39/34,859.88
  6. Step 6: Final answer
    x = 26,143.33

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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.