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Finding the Fourth Proportional to 19,239.38, 28,861.51 and 6,087

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Solution

The fourth proportional to 19,239.38, 28,861.51 and 6,087 is: 9,131.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.38 : 28,861.51 = 6,087 : x
  2. Step 2: Convert to fraction form
    19,239.38/28,861.51 = 6,087/x
  3. Step 3: Cross multiply
    19,239.38x = 28,861.51 × 6,087
  4. Step 4: Simplify right side
    19,239.38x = 175,680,011.37
  5. Step 5: Solve for x
    x = 175,680,011.37/19,239.38
  6. Step 6: Final answer
    x = 9,131.27

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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.