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Finding the Fourth Proportional to 6,484.29, 8,984.45 and 6,344.16

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Solution

The fourth proportional to 6,484.29, 8,984.45 and 6,344.16 is: 8,790.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,484.29 : 8,984.45 = 6,344.16 : x
  2. Step 2: Convert to fraction form
    6,484.29/8,984.45 = 6,344.16/x
  3. Step 3: Cross multiply
    6,484.29x = 8,984.45 × 6,344.16
  4. Step 4: Simplify right side
    6,484.29x = 56,998,770.48
  5. Step 5: Solve for x
    x = 56,998,770.48/6,484.29
  6. Step 6: Final answer
    x = 8,790.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.