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Finding the Fourth Proportional to 28,793.71, 39,696.63 and 25,841.26

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Solution

The fourth proportional to 28,793.71, 39,696.63 and 25,841.26 is: 35,626.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,793.71 : 39,696.63 = 25,841.26 : x
  2. Step 2: Convert to fraction form
    28,793.71/39,696.63 = 25,841.26/x
  3. Step 3: Cross multiply
    28,793.71x = 39,696.63 × 25,841.26
  4. Step 4: Simplify right side
    28,793.71x = 1,025,810,936.95
  5. Step 5: Solve for x
    x = 1,025,810,936.95/28,793.71
  6. Step 6: Final answer
    x = 35,626.22

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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.