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Finding the Fourth Proportional to 62,808.10, 86,679.06 and 35,950

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Solution

The fourth proportional to 62,808.10, 86,679.06 and 35,950 is: 49,613.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,808.10 : 86,679.06 = 35,950 : x
  2. Step 2: Convert to fraction form
    62,808.10/86,679.06 = 35,950/x
  3. Step 3: Cross multiply
    62,808.10x = 86,679.06 × 35,950
  4. Step 4: Simplify right side
    62,808.10x = 3,116,112,207
  5. Step 5: Solve for x
    x = 3,116,112,207/62,808.10
  6. Step 6: Final answer
    x = 49,613.22

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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.