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Finding the Fourth Proportional to 34,858.58, 48,104.79 and 18,942.99

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Solution

The fourth proportional to 34,858.58, 48,104.79 and 18,942.99 is: 26,141.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,858.58 : 48,104.79 = 18,942.99 : x
  2. Step 2: Convert to fraction form
    34,858.58/48,104.79 = 18,942.99/x
  3. Step 3: Cross multiply
    34,858.58x = 48,104.79 × 18,942.99
  4. Step 4: Simplify right side
    34,858.58x = 911,248,555.92
  5. Step 5: Solve for x
    x = 911,248,555.92/34,858.58
  6. Step 6: Final answer
    x = 26,141.30

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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.