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Finding the Fourth Proportional to 18,351.99, 27,527.99 and 5,202.72

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Solution

The fourth proportional to 18,351.99, 27,527.99 and 5,202.72 is: 7,804.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351.99 : 27,527.99 = 5,202.72 : x
  2. Step 2: Convert to fraction form
    18,351.99/27,527.99 = 5,202.72/x
  3. Step 3: Cross multiply
    18,351.99x = 27,527.99 × 5,202.72
  4. Step 4: Simplify right side
    18,351.99x = 143,220,398.12
  5. Step 5: Solve for x
    x = 143,220,398.12/18,351.99
  6. Step 6: Final answer
    x = 7,804.08

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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.