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Finding the Fourth Proportional to 16,783.99, 25,187.51 and 6,923.27

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Solution

The fourth proportional to 16,783.99, 25,187.51 and 6,923.27 is: 10,389.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,783.99 : 25,187.51 = 6,923.27 : x
  2. Step 2: Convert to fraction form
    16,783.99/25,187.51 = 6,923.27/x
  3. Step 3: Cross multiply
    16,783.99x = 25,187.51 × 6,923.27
  4. Step 4: Simplify right side
    16,783.99x = 174,380,012.63
  5. Step 5: Solve for x
    x = 174,380,012.63/16,783.99
  6. Step 6: Final answer
    x = 10,389.67

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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.