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Finding the Fourth Proportional to 18,622.48, 27,933.65 and 7,529.03

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Solution

The fourth proportional to 18,622.48, 27,933.65 and 7,529.03 is: 11,293.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.48 : 27,933.65 = 7,529.03 : x
  2. Step 2: Convert to fraction form
    18,622.48/27,933.65 = 7,529.03/x
  3. Step 3: Cross multiply
    18,622.48x = 27,933.65 × 7,529.03
  4. Step 4: Simplify right side
    18,622.48x = 210,313,349.28
  5. Step 5: Solve for x
    x = 210,313,349.28/18,622.48
  6. Step 6: Final answer
    x = 11,293.52

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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.