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Finding the Fourth Proportional to 12,059.91, 18,085.01 and 4,662.99

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Solution

The fourth proportional to 12,059.91, 18,085.01 and 4,662.99 is: 6,992.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,059.91 : 18,085.01 = 4,662.99 : x
  2. Step 2: Convert to fraction form
    12,059.91/18,085.01 = 4,662.99/x
  3. Step 3: Cross multiply
    12,059.91x = 18,085.01 × 4,662.99
  4. Step 4: Simplify right side
    12,059.91x = 84,330,197.46
  5. Step 5: Solve for x
    x = 84,330,197.46/12,059.91
  6. Step 6: Final answer
    x = 6,992.61

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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.