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Finding the Fourth Proportional to 55,514, 76,609.32 and 30,363.50

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Solution

The fourth proportional to 55,514, 76,609.32 and 30,363.50 is: 41,901.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,514 : 76,609.32 = 30,363.50 : x
  2. Step 2: Convert to fraction form
    55,514/76,609.32 = 30,363.50/x
  3. Step 3: Cross multiply
    55,514x = 76,609.32 × 30,363.50
  4. Step 4: Simplify right side
    55,514x = 2,326,127,087.82
  5. Step 5: Solve for x
    x = 2,326,127,087.82/55,514
  6. Step 6: Final answer
    x = 41,901.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.