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Finding the Fourth Proportional to 21,804.75, 32,707.44 and 6,222.38

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Solution

The fourth proportional to 21,804.75, 32,707.44 and 6,222.38 is: 9,333.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,804.75 : 32,707.44 = 6,222.38 : x
  2. Step 2: Convert to fraction form
    21,804.75/32,707.44 = 6,222.38/x
  3. Step 3: Cross multiply
    21,804.75x = 32,707.44 × 6,222.38
  4. Step 4: Simplify right side
    21,804.75x = 203,517,956.97
  5. Step 5: Solve for x
    x = 203,517,956.97/21,804.75
  6. Step 6: Final answer
    x = 9,333.65

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1.5x scale

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.