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Finding the Fourth Proportional to 34,897.80, 48,157.56 and 18,982.23

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Solution

The fourth proportional to 34,897.80, 48,157.56 and 18,982.23 is: 26,194.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,897.80 : 48,157.56 = 18,982.23 : x
  2. Step 2: Convert to fraction form
    34,897.80/48,157.56 = 18,982.23/x
  3. Step 3: Cross multiply
    34,897.80x = 48,157.56 × 18,982.23
  4. Step 4: Simplify right side
    34,897.80x = 914,137,880.16
  5. Step 5: Solve for x
    x = 914,137,880.16/34,897.80
  6. Step 6: Final answer
    x = 26,194.71

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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.