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Finding the Fourth Proportional to 68,673.59, 94,770.63 and 39,585.91

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Solution

The fourth proportional to 68,673.59, 94,770.63 and 39,585.91 is: 54,629.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,673.59 : 94,770.63 = 39,585.91 : x
  2. Step 2: Convert to fraction form
    68,673.59/94,770.63 = 39,585.91/x
  3. Step 3: Cross multiply
    68,673.59x = 94,770.63 × 39,585.91
  4. Step 4: Simplify right side
    68,673.59x = 3,751,581,514.72
  5. Step 5: Solve for x
    x = 3,751,581,514.72/68,673.59
  6. Step 6: Final answer
    x = 54,629.17

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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.