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Finding the Fourth Proportional to 28,369.44, 42,555.98 and 9,644.27

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Solution

The fourth proportional to 28,369.44, 42,555.98 and 9,644.27 is: 14,467.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,369.44 : 42,555.98 = 9,644.27 : x
  2. Step 2: Convert to fraction form
    28,369.44/42,555.98 = 9,644.27/x
  3. Step 3: Cross multiply
    28,369.44x = 42,555.98 × 9,644.27
  4. Step 4: Simplify right side
    28,369.44x = 410,421,172.57
  5. Step 5: Solve for x
    x = 410,421,172.57/28,369.44
  6. Step 6: Final answer
    x = 14,467.02

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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.