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Finding the Fourth Proportional to 66,739.00, 100,107.32 and 16,817.98

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Solution

The fourth proportional to 66,739.00, 100,107.32 and 16,817.98 is: 25,226.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,739.00 : 100,107.32 = 16,817.98 : x
  2. Step 2: Convert to fraction form
    66,739.00/100,107.32 = 16,817.98/x
  3. Step 3: Cross multiply
    66,739.00x = 100,107.32 × 16,817.98
  4. Step 4: Simplify right side
    66,739.00x = 1,683,602,320.99
  5. Step 5: Solve for x
    x = 1,683,602,320.99/66,739.00
  6. Step 6: Final answer
    x = 25,226.67

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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.