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Finding the Fourth Proportional to 6,212.40, 8,573.13 and 3,379.77

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Solution

The fourth proportional to 6,212.40, 8,573.13 and 3,379.77 is: 4,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.40 : 8,573.13 = 3,379.77 : x
  2. Step 2: Convert to fraction form
    6,212.40/8,573.13 = 3,379.77/x
  3. Step 3: Cross multiply
    6,212.40x = 8,573.13 × 3,379.77
  4. Step 4: Simplify right side
    6,212.40x = 28,975,218.84
  5. Step 5: Solve for x
    x = 28,975,218.84/6,212.40
  6. Step 6: Final answer
    x = 4,664.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.