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Finding the Fourth Proportional to 18,300.06, 27,450.09 and 4,448.94

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Solution

The fourth proportional to 18,300.06, 27,450.09 and 4,448.94 is: 6,673.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,300.06 : 27,450.09 = 4,448.94 : x
  2. Step 2: Convert to fraction form
    18,300.06/27,450.09 = 4,448.94/x
  3. Step 3: Cross multiply
    18,300.06x = 27,450.09 × 4,448.94
  4. Step 4: Simplify right side
    18,300.06x = 122,123,803.40
  5. Step 5: Solve for x
    x = 122,123,803.40/18,300.06
  6. Step 6: Final answer
    x = 6,673.41

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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.