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Finding the Fourth Proportional to 21,393.46, 32,093.07 and 7,539.22

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Solution

The fourth proportional to 21,393.46, 32,093.07 and 7,539.22 is: 11,309.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,393.46 : 32,093.07 = 7,539.22 : x
  2. Step 2: Convert to fraction form
    21,393.46/32,093.07 = 7,539.22/x
  3. Step 3: Cross multiply
    21,393.46x = 32,093.07 × 7,539.22
  4. Step 4: Simplify right side
    21,393.46x = 241,956,715.21
  5. Step 5: Solve for x
    x = 241,956,715.21/21,393.46
  6. Step 6: Final answer
    x = 11,309.84

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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.