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Finding the Fourth Proportional to 3,256.34, 4,879.64 and 3,013.34

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Solution

The fourth proportional to 3,256.34, 4,879.64 and 3,013.34 is: 4,515.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.34 : 4,879.64 = 3,013.34 : x
  2. Step 2: Convert to fraction form
    3,256.34/4,879.64 = 3,013.34/x
  3. Step 3: Cross multiply
    3,256.34x = 4,879.64 × 3,013.34
  4. Step 4: Simplify right side
    3,256.34x = 14,703,997.53
  5. Step 5: Solve for x
    x = 14,703,997.53/3,256.34
  6. Step 6: Final answer
    x = 4,515.51

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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.