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Finding the Fourth Proportional to 21,846.15, 32,769.23 and 7,055.55

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Solution

The fourth proportional to 21,846.15, 32,769.23 and 7,055.55 is: 10,583.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,846.15 : 32,769.23 = 7,055.55 : x
  2. Step 2: Convert to fraction form
    21,846.15/32,769.23 = 7,055.55/x
  3. Step 3: Cross multiply
    21,846.15x = 32,769.23 × 7,055.55
  4. Step 4: Simplify right side
    21,846.15x = 231,204,905.45
  5. Step 5: Solve for x
    x = 231,204,905.45/21,846.15
  6. Step 6: Final answer
    x = 10,583.33

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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.