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Finding the Fourth Proportional to 6,308.43, 8,705.93 and 3,655.33

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Solution

The fourth proportional to 6,308.43, 8,705.93 and 3,655.33 is: 5,044.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,308.43 : 8,705.93 = 3,655.33 : x
  2. Step 2: Convert to fraction form
    6,308.43/8,705.93 = 3,655.33/x
  3. Step 3: Cross multiply
    6,308.43x = 8,705.93 × 3,655.33
  4. Step 4: Simplify right side
    6,308.43x = 31,823,027.63
  5. Step 5: Solve for x
    x = 31,823,027.63/6,308.43
  6. Step 6: Final answer
    x = 5,044.52

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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.