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Finding the Fourth Proportional to 3,673.86, 5,069.94 and 2,036.70

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Solution

The fourth proportional to 3,673.86, 5,069.94 and 2,036.70 is: 2,810.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.86 : 5,069.94 = 2,036.70 : x
  2. Step 2: Convert to fraction form
    3,673.86/5,069.94 = 2,036.70/x
  3. Step 3: Cross multiply
    3,673.86x = 5,069.94 × 2,036.70
  4. Step 4: Simplify right side
    3,673.86x = 10,325,946.80
  5. Step 5: Solve for x
    x = 10,325,946.80/3,673.86
  6. Step 6: Final answer
    x = 2,810.65

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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.