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Finding the Fourth Proportional to 3,850.70, 5,803.56 and 3,636.10

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Solution

The fourth proportional to 3,850.70, 5,803.56 and 3,636.10 is: 5,480.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.70 : 5,803.56 = 3,636.10 : x
  2. Step 2: Convert to fraction form
    3,850.70/5,803.56 = 3,636.10/x
  3. Step 3: Cross multiply
    3,850.70x = 5,803.56 × 3,636.10
  4. Step 4: Simplify right side
    3,850.70x = 21,102,324.52
  5. Step 5: Solve for x
    x = 21,102,324.52/3,850.70
  6. Step 6: Final answer
    x = 5,480.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.