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Finding the Fourth Proportional to 74,550, 102,879 and 41,016

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Solution

The fourth proportional to 74,550, 102,879 and 41,016 is: 56,602.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,550 : 102,879 = 41,016 : x
  2. Step 2: Convert to fraction form
    74,550/102,879 = 41,016/x
  3. Step 3: Cross multiply
    74,550x = 102,879 × 41,016
  4. Step 4: Simplify right side
    74,550x = 4,219,685,064
  5. Step 5: Solve for x
    x = 4,219,685,064/74,550
  6. Step 6: Final answer
    x = 56,602.08

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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.