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Finding the Fourth Proportional to 43,950.72, 65,892 and 21,748.80

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Solution

The fourth proportional to 43,950.72, 65,892 and 21,748.80 is: 32,606.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,950.72 : 65,892 = 21,748.80 : x
  2. Step 2: Convert to fraction form
    43,950.72/65,892 = 21,748.80/x
  3. Step 3: Cross multiply
    43,950.72x = 65,892 × 21,748.80
  4. Step 4: Simplify right side
    43,950.72x = 1,433,071,929.60
  5. Step 5: Solve for x
    x = 1,433,071,929.60/43,950.72
  6. Step 6: Final answer
    x = 32,606.34

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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.