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Finding the Fourth Proportional to 6,451.18, 8,906.28 and 4,935.89

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Solution

The fourth proportional to 6,451.18, 8,906.28 and 4,935.89 is: 6,814.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451.18 : 8,906.28 = 4,935.89 : x
  2. Step 2: Convert to fraction form
    6,451.18/8,906.28 = 4,935.89/x
  3. Step 3: Cross multiply
    6,451.18x = 8,906.28 × 4,935.89
  4. Step 4: Simplify right side
    6,451.18x = 43,960,418.39
  5. Step 5: Solve for x
    x = 43,960,418.39/6,451.18
  6. Step 6: Final answer
    x = 6,814.32

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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.