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Finding the Fourth Proportional to 16,973.20, 25,467.44 and 9,172.88

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Solution

The fourth proportional to 16,973.20, 25,467.44 and 9,172.88 is: 13,763.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,973.20 : 25,467.44 = 9,172.88 : x
  2. Step 2: Convert to fraction form
    16,973.20/25,467.44 = 9,172.88/x
  3. Step 3: Cross multiply
    16,973.20x = 25,467.44 × 9,172.88
  4. Step 4: Simplify right side
    16,973.20x = 233,609,771.03
  5. Step 5: Solve for x
    x = 233,609,771.03/16,973.20
  6. Step 6: Final answer
    x = 13,763.45

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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.