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Finding the Fourth Proportional to 17,172.78, 25,759.17 and 9,377.34

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Solution

The fourth proportional to 17,172.78, 25,759.17 and 9,377.34 is: 14,066.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,172.78 : 25,759.17 = 9,377.34 : x
  2. Step 2: Convert to fraction form
    17,172.78/25,759.17 = 9,377.34/x
  3. Step 3: Cross multiply
    17,172.78x = 25,759.17 × 9,377.34
  4. Step 4: Simplify right side
    17,172.78x = 241,552,495.21
  5. Step 5: Solve for x
    x = 241,552,495.21/17,172.78
  6. Step 6: Final answer
    x = 14,066.01

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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.