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Finding the Fourth Proportional to 25,992.63, 35,869.23 and 15,382.44

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Solution

The fourth proportional to 25,992.63, 35,869.23 and 15,382.44 is: 21,227.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,992.63 : 35,869.23 = 15,382.44 : x
  2. Step 2: Convert to fraction form
    25,992.63/35,869.23 = 15,382.44/x
  3. Step 3: Cross multiply
    25,992.63x = 35,869.23 × 15,382.44
  4. Step 4: Simplify right side
    25,992.63x = 551,756,278.32
  5. Step 5: Solve for x
    x = 551,756,278.32/25,992.63
  6. Step 6: Final answer
    x = 21,227.41

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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.