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Finding the Fourth Proportional to 21,722.58, 32,563.02 and 6,923.34

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Solution

The fourth proportional to 21,722.58, 32,563.02 and 6,923.34 is: 10,378.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,722.58 : 32,563.02 = 6,923.34 : x
  2. Step 2: Convert to fraction form
    21,722.58/32,563.02 = 6,923.34/x
  3. Step 3: Cross multiply
    21,722.58x = 32,563.02 × 6,923.34
  4. Step 4: Simplify right side
    21,722.58x = 225,444,858.89
  5. Step 5: Solve for x
    x = 225,444,858.89/21,722.58
  6. Step 6: Final answer
    x = 10,378.36

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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.