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Finding the Fourth Proportional to 18,698.51, 28,026.23 and 7,593

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Solution

The fourth proportional to 18,698.51, 28,026.23 and 7,593 is: 11,380.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,698.51 : 28,026.23 = 7,593 : x
  2. Step 2: Convert to fraction form
    18,698.51/28,026.23 = 7,593/x
  3. Step 3: Cross multiply
    18,698.51x = 28,026.23 × 7,593
  4. Step 4: Simplify right side
    18,698.51x = 212,803,126.43
  5. Step 5: Solve for x
    x = 212,803,126.43/18,698.51
  6. Step 6: Final answer
    x = 11,380.76

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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.