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Finding the Fourth Proportional to 30,795.93, 46,195.11 and 8,611.38

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Solution

The fourth proportional to 30,795.93, 46,195.11 and 8,611.38 is: 12,917.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,795.93 : 46,195.11 = 8,611.38 : x
  2. Step 2: Convert to fraction form
    30,795.93/46,195.11 = 8,611.38/x
  3. Step 3: Cross multiply
    30,795.93x = 46,195.11 × 8,611.38
  4. Step 4: Simplify right side
    30,795.93x = 397,803,646.35
  5. Step 5: Solve for x
    x = 397,803,646.35/30,795.93
  6. Step 6: Final answer
    x = 12,917.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.