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Finding the Fourth Proportional to 18,317.99, 27,458.44 and 7,232.50

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Solution

The fourth proportional to 18,317.99, 27,458.44 and 7,232.50 is: 10,841.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.99 : 27,458.44 = 7,232.50 : x
  2. Step 2: Convert to fraction form
    18,317.99/27,458.44 = 7,232.50/x
  3. Step 3: Cross multiply
    18,317.99x = 27,458.44 × 7,232.50
  4. Step 4: Simplify right side
    18,317.99x = 198,592,993.85
  5. Step 5: Solve for x
    x = 198,592,993.85/18,317.99
  6. Step 6: Final answer
    x = 10,841.42

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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.