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Finding the Fourth Proportional to 25,293.72, 34,914.90 and 19,024.20

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Solution

The fourth proportional to 25,293.72, 34,914.90 and 19,024.20 is: 26,260.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,293.72 : 34,914.90 = 19,024.20 : x
  2. Step 2: Convert to fraction form
    25,293.72/34,914.90 = 19,024.20/x
  3. Step 3: Cross multiply
    25,293.72x = 34,914.90 × 19,024.20
  4. Step 4: Simplify right side
    25,293.72x = 664,228,040.58
  5. Step 5: Solve for x
    x = 664,228,040.58/25,293.72
  6. Step 6: Final answer
    x = 26,260.59

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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.