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Finding the Fourth Proportional to 44,728.31, 67,100.67 and 21,354.75

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Solution

The fourth proportional to 44,728.31, 67,100.67 and 21,354.75 is: 32,036.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,728.31 : 67,100.67 = 21,354.75 : x
  2. Step 2: Convert to fraction form
    44,728.31/67,100.67 = 21,354.75/x
  3. Step 3: Cross multiply
    44,728.31x = 67,100.67 × 21,354.75
  4. Step 4: Simplify right side
    44,728.31x = 1,432,918,032.68
  5. Step 5: Solve for x
    x = 1,432,918,032.68/44,728.31
  6. Step 6: Final answer
    x = 32,036.04

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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.