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Finding the Fourth Proportional to 2,349.63, 3,524.36 and 768.35

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Solution

The fourth proportional to 2,349.63, 3,524.36 and 768.35 is: 1,152.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.63 : 3,524.36 = 768.35 : x
  2. Step 2: Convert to fraction form
    2,349.63/3,524.36 = 768.35/x
  3. Step 3: Cross multiply
    2,349.63x = 3,524.36 × 768.35
  4. Step 4: Simplify right side
    2,349.63x = 2,707,920.54
  5. Step 5: Solve for x
    x = 2,707,920.54/2,349.63
  6. Step 6: Final answer
    x = 1,152.49

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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.