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Finding the Fourth Proportional to 21,588.54, 32,384.97 and 6,796.86

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Solution

The fourth proportional to 21,588.54, 32,384.97 and 6,796.86 is: 10,195.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,588.54 : 32,384.97 = 6,796.86 : x
  2. Step 2: Convert to fraction form
    21,588.54/32,384.97 = 6,796.86/x
  3. Step 3: Cross multiply
    21,588.54x = 32,384.97 × 6,796.86
  4. Step 4: Simplify right side
    21,588.54x = 220,116,107.19
  5. Step 5: Solve for x
    x = 220,116,107.19/21,588.54
  6. Step 6: Final answer
    x = 10,195.97

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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.