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Finding the Fourth Proportional to 6,502.78, 8,973.84 and 3,708.28

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Solution

The fourth proportional to 6,502.78, 8,973.84 and 3,708.28 is: 5,117.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,502.78 : 8,973.84 = 3,708.28 : x
  2. Step 2: Convert to fraction form
    6,502.78/8,973.84 = 3,708.28/x
  3. Step 3: Cross multiply
    6,502.78x = 8,973.84 × 3,708.28
  4. Step 4: Simplify right side
    6,502.78x = 33,277,515.66
  5. Step 5: Solve for x
    x = 33,277,515.66/6,502.78
  6. Step 6: Final answer
    x = 5,117.43

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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.