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Finding the Fourth Proportional to 62,788.22, 94,179.89 and 21,235.22

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Solution

The fourth proportional to 62,788.22, 94,179.89 and 21,235.22 is: 31,852.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,788.22 : 94,179.89 = 21,235.22 : x
  2. Step 2: Convert to fraction form
    62,788.22/94,179.89 = 21,235.22/x
  3. Step 3: Cross multiply
    62,788.22x = 94,179.89 × 21,235.22
  4. Step 4: Simplify right side
    62,788.22x = 1,999,930,265.91
  5. Step 5: Solve for x
    x = 1,999,930,265.91/62,788.22
  6. Step 6: Final answer
    x = 31,852.00

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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.