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Finding the Fourth Proportional to 51,889.54, 77,788.23 and 19,034.50

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Solution

The fourth proportional to 51,889.54, 77,788.23 and 19,034.50 is: 28,534.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,889.54 : 77,788.23 = 19,034.50 : x
  2. Step 2: Convert to fraction form
    51,889.54/77,788.23 = 19,034.50/x
  3. Step 3: Cross multiply
    51,889.54x = 77,788.23 × 19,034.50
  4. Step 4: Simplify right side
    51,889.54x = 1,480,660,063.94
  5. Step 5: Solve for x
    x = 1,480,660,063.94/51,889.54
  6. Step 6: Final answer
    x = 28,534.85

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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.