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Finding the Fourth Proportional to 62,973.36, 86,903.82 and 34,679.16

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Solution

The fourth proportional to 62,973.36, 86,903.82 and 34,679.16 is: 47,857.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,973.36 : 86,903.82 = 34,679.16 : x
  2. Step 2: Convert to fraction form
    62,973.36/86,903.82 = 34,679.16/x
  3. Step 3: Cross multiply
    62,973.36x = 86,903.82 × 34,679.16
  4. Step 4: Simplify right side
    62,973.36x = 3,013,751,478.39
  5. Step 5: Solve for x
    x = 3,013,751,478.39/62,973.36
  6. Step 6: Final answer
    x = 47,857.56

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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.