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Finding the Fourth Proportional to 34,858.87, 48,103.95 and 18,942.97

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Solution

The fourth proportional to 34,858.87, 48,103.95 and 18,942.97 is: 26,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,858.87 : 48,103.95 = 18,942.97 : x
  2. Step 2: Convert to fraction form
    34,858.87/48,103.95 = 18,942.97/x
  3. Step 3: Cross multiply
    34,858.87x = 48,103.95 × 18,942.97
  4. Step 4: Simplify right side
    34,858.87x = 911,231,681.73
  5. Step 5: Solve for x
    x = 911,231,681.73/34,858.87
  6. Step 6: Final answer
    x = 26,140.60

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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.