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Finding the Fourth Proportional to 6,486.36, 8,954.04 and 4,731.36

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Solution

The fourth proportional to 6,486.36, 8,954.04 and 4,731.36 is: 6,531.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,486.36 : 8,954.04 = 4,731.36 : x
  2. Step 2: Convert to fraction form
    6,486.36/8,954.04 = 4,731.36/x
  3. Step 3: Cross multiply
    6,486.36x = 8,954.04 × 4,731.36
  4. Step 4: Simplify right side
    6,486.36x = 42,364,786.69
  5. Step 5: Solve for x
    x = 42,364,786.69/6,486.36
  6. Step 6: Final answer
    x = 6,531.37

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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.