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Finding the Fourth Proportional to 37,846.89, 52,230.30 and 21,079.89

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Solution

The fourth proportional to 37,846.89, 52,230.30 and 21,079.89 is: 29,091.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,846.89 : 52,230.30 = 21,079.89 : x
  2. Step 2: Convert to fraction form
    37,846.89/52,230.30 = 21,079.89/x
  3. Step 3: Cross multiply
    37,846.89x = 52,230.30 × 21,079.89
  4. Step 4: Simplify right side
    37,846.89x = 1,101,008,978.67
  5. Step 5: Solve for x
    x = 1,101,008,978.67/37,846.89
  6. Step 6: Final answer
    x = 29,091.13

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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.