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Finding the Fourth Proportional to 61,301.84, 91,950.26 and 21,329.96

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Solution

The fourth proportional to 61,301.84, 91,950.26 and 21,329.96 is: 31,994.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,301.84 : 91,950.26 = 21,329.96 : x
  2. Step 2: Convert to fraction form
    61,301.84/91,950.26 = 21,329.96/x
  3. Step 3: Cross multiply
    61,301.84x = 91,950.26 × 21,329.96
  4. Step 4: Simplify right side
    61,301.84x = 1,961,295,367.79
  5. Step 5: Solve for x
    x = 1,961,295,367.79/61,301.84
  6. Step 6: Final answer
    x = 31,994.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.