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Finding the Fourth Proportional to 18,697.51, 28,024.73 and 7,592

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Solution

The fourth proportional to 18,697.51, 28,024.73 and 7,592 is: 11,379.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,697.51 : 28,024.73 = 7,592 : x
  2. Step 2: Convert to fraction form
    18,697.51/28,024.73 = 7,592/x
  3. Step 3: Cross multiply
    18,697.51x = 28,024.73 × 7,592
  4. Step 4: Simplify right side
    18,697.51x = 212,763,712.20
  5. Step 5: Solve for x
    x = 212,763,712.20/18,697.51
  6. Step 6: Final answer
    x = 11,379.26

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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.