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Finding the Fourth Proportional to 14,709.37, 20,299.06 and 7,995

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Solution

The fourth proportional to 14,709.37, 20,299.06 and 7,995 is: 11,033.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,709.37 : 20,299.06 = 7,995 : x
  2. Step 2: Convert to fraction form
    14,709.37/20,299.06 = 7,995/x
  3. Step 3: Cross multiply
    14,709.37x = 20,299.06 × 7,995
  4. Step 4: Simplify right side
    14,709.37x = 162,290,944.73
  5. Step 5: Solve for x
    x = 162,290,944.73/14,709.37
  6. Step 6: Final answer
    x = 11,033.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.