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Finding the Fourth Proportional to 25,219, 34,806.37 and 19,239.38

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Solution

The fourth proportional to 25,219, 34,806.37 and 19,239.38 is: 26,553.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,219 : 34,806.37 = 19,239.38 : x
  2. Step 2: Convert to fraction form
    25,219/34,806.37 = 19,239.38/x
  3. Step 3: Cross multiply
    25,219x = 34,806.37 × 19,239.38
  4. Step 4: Simplify right side
    25,219x = 669,652,978.85
  5. Step 5: Solve for x
    x = 669,652,978.85/25,219
  6. Step 6: Final answer
    x = 26,553.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.