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Finding the Fourth Proportional to 25,794.63, 38,642.12 and 19,028.29

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Solution

The fourth proportional to 25,794.63, 38,642.12 and 19,028.29 is: 28,505.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,794.63 : 38,642.12 = 19,028.29 : x
  2. Step 2: Convert to fraction form
    25,794.63/38,642.12 = 19,028.29/x
  3. Step 3: Cross multiply
    25,794.63x = 38,642.12 × 19,028.29
  4. Step 4: Simplify right side
    25,794.63x = 735,293,370.43
  5. Step 5: Solve for x
    x = 735,293,370.43/25,794.63
  6. Step 6: Final answer
    x = 28,505.68

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1.5x scale

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.