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Finding the Fourth Proportional to 17,178.78, 25,768.17 and 9,383.34

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Solution

The fourth proportional to 17,178.78, 25,768.17 and 9,383.34 is: 14,075.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,178.78 : 25,768.17 = 9,383.34 : x
  2. Step 2: Convert to fraction form
    17,178.78/25,768.17 = 9,383.34/x
  3. Step 3: Cross multiply
    17,178.78x = 25,768.17 × 9,383.34
  4. Step 4: Simplify right side
    17,178.78x = 241,791,500.29
  5. Step 5: Solve for x
    x = 241,791,500.29/17,178.78
  6. Step 6: Final answer
    x = 14,075.01

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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.