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Finding the Fourth Proportional to 20,588.00, 30,923.33 and 12,284.22

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Solution

The fourth proportional to 20,588.00, 30,923.33 and 12,284.22 is: 18,450.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,588.00 : 30,923.33 = 12,284.22 : x
  2. Step 2: Convert to fraction form
    20,588.00/30,923.33 = 12,284.22/x
  3. Step 3: Cross multiply
    20,588.00x = 30,923.33 × 12,284.22
  4. Step 4: Simplify right side
    20,588.00x = 379,868,927.43
  5. Step 5: Solve for x
    x = 379,868,927.43/20,588.00
  6. Step 6: Final answer
    x = 18,450.99

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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.