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Finding the Fourth Proportional to 62,892.80, 94,212.56 and 29,111.20

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Solution

The fourth proportional to 62,892.80, 94,212.56 and 29,111.20 is: 43,608.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,892.80 : 94,212.56 = 29,111.20 : x
  2. Step 2: Convert to fraction form
    62,892.80/94,212.56 = 29,111.20/x
  3. Step 3: Cross multiply
    62,892.80x = 94,212.56 × 29,111.20
  4. Step 4: Simplify right side
    62,892.80x = 2,742,640,676.67
  5. Step 5: Solve for x
    x = 2,742,640,676.67/62,892.80
  6. Step 6: Final answer
    x = 43,608.18

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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.