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Finding the Fourth Proportional to 25,219, 37,828.50 and 6,751

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Solution

The fourth proportional to 25,219, 37,828.50 and 6,751 is: 10,126.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,219 : 37,828.50 = 6,751 : x
  2. Step 2: Convert to fraction form
    25,219/37,828.50 = 6,751/x
  3. Step 3: Cross multiply
    25,219x = 37,828.50 × 6,751
  4. Step 4: Simplify right side
    25,219x = 255,380,203.50
  5. Step 5: Solve for x
    x = 255,380,203.50/25,219
  6. Step 6: Final answer
    x = 10,126.50

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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.