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Finding the Fourth Proportional to 19,063.44, 28,600.56 and 7,975.44

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Solution

The fourth proportional to 19,063.44, 28,600.56 and 7,975.44 is: 11,965.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,063.44 : 28,600.56 = 7,975.44 : x
  2. Step 2: Convert to fraction form
    19,063.44/28,600.56 = 7,975.44/x
  3. Step 3: Cross multiply
    19,063.44x = 28,600.56 × 7,975.44
  4. Step 4: Simplify right side
    19,063.44x = 228,102,050.25
  5. Step 5: Solve for x
    x = 228,102,050.25/19,063.44
  6. Step 6: Final answer
    x = 11,965.42

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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.