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Finding the Fourth Proportional to 20,043.06, 30,060.04 and 7,564.41

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Solution

The fourth proportional to 20,043.06, 30,060.04 and 7,564.41 is: 11,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043.06 : 30,060.04 = 7,564.41 : x
  2. Step 2: Convert to fraction form
    20,043.06/30,060.04 = 7,564.41/x
  3. Step 3: Cross multiply
    20,043.06x = 30,060.04 × 7,564.41
  4. Step 4: Simplify right side
    20,043.06x = 227,386,467.18
  5. Step 5: Solve for x
    x = 227,386,467.18/20,043.06
  6. Step 6: Final answer
    x = 11,344.90

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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.