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Finding the Fourth Proportional to 19,183.34, 28,777 and 5,332.34

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Solution

The fourth proportional to 19,183.34, 28,777 and 5,332.34 is: 7,999.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,183.34 : 28,777 = 5,332.34 : x
  2. Step 2: Convert to fraction form
    19,183.34/28,777 = 5,332.34/x
  3. Step 3: Cross multiply
    19,183.34x = 28,777 × 5,332.34
  4. Step 4: Simplify right side
    19,183.34x = 153,448,748.18
  5. Step 5: Solve for x
    x = 153,448,748.18/19,183.34
  6. Step 6: Final answer
    x = 7,999.06

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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.