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Finding the Fourth Proportional to 6,073.86, 8,381.81 and 3,421.26

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Solution

The fourth proportional to 6,073.86, 8,381.81 and 3,421.26 is: 4,721.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,073.86 : 8,381.81 = 3,421.26 : x
  2. Step 2: Convert to fraction form
    6,073.86/8,381.81 = 3,421.26/x
  3. Step 3: Cross multiply
    6,073.86x = 8,381.81 × 3,421.26
  4. Step 4: Simplify right side
    6,073.86x = 28,676,351.28
  5. Step 5: Solve for x
    x = 28,676,351.28/6,073.86
  6. Step 6: Final answer
    x = 4,721.27

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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.