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Finding the Fourth Proportional to 34,855.41, 48,101.49 and 18,940.89

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Solution

The fourth proportional to 34,855.41, 48,101.49 and 18,940.89 is: 26,138.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,855.41 : 48,101.49 = 18,940.89 : x
  2. Step 2: Convert to fraction form
    34,855.41/48,101.49 = 18,940.89/x
  3. Step 3: Cross multiply
    34,855.41x = 48,101.49 × 18,940.89
  4. Step 4: Simplify right side
    34,855.41x = 911,085,030.93
  5. Step 5: Solve for x
    x = 911,085,030.93/34,855.41
  6. Step 6: Final answer
    x = 26,138.98

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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.