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Finding the Fourth Proportional to 2,307.34, 3,460.92 and 768.34

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Solution

The fourth proportional to 2,307.34, 3,460.92 and 768.34 is: 1,152.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.34 : 3,460.92 = 768.34 : x
  2. Step 2: Convert to fraction form
    2,307.34/3,460.92 = 768.34/x
  3. Step 3: Cross multiply
    2,307.34x = 3,460.92 × 768.34
  4. Step 4: Simplify right side
    2,307.34x = 2,659,163.27
  5. Step 5: Solve for x
    x = 2,659,163.27/2,307.34
  6. Step 6: Final answer
    x = 1,152.48

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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.