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Finding the Fourth Proportional to 35,942.40, 49,600.08 and 20,026.80

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Solution

The fourth proportional to 35,942.40, 49,600.08 and 20,026.80 is: 27,636.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,942.40 : 49,600.08 = 20,026.80 : x
  2. Step 2: Convert to fraction form
    35,942.40/49,600.08 = 20,026.80/x
  3. Step 3: Cross multiply
    35,942.40x = 49,600.08 × 20,026.80
  4. Step 4: Simplify right side
    35,942.40x = 993,330,882.14
  5. Step 5: Solve for x
    x = 993,330,882.14/35,942.40
  6. Step 6: Final answer
    x = 27,636.74

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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.