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Finding the Fourth Proportional to 28,844, 39,809.04 and 17,672.48

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Solution

The fourth proportional to 28,844, 39,809.04 and 17,672.48 is: 24,390.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,844 : 39,809.04 = 17,672.48 : x
  2. Step 2: Convert to fraction form
    28,844/39,809.04 = 17,672.48/x
  3. Step 3: Cross multiply
    28,844x = 39,809.04 × 17,672.48
  4. Step 4: Simplify right side
    28,844x = 703,524,463.22
  5. Step 5: Solve for x
    x = 703,524,463.22/28,844
  6. Step 6: Final answer
    x = 24,390.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.