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Finding the Fourth Proportional to 3,632.07, 5,012.32 and 2,039.07

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Solution

The fourth proportional to 3,632.07, 5,012.32 and 2,039.07 is: 2,813.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,632.07 : 5,012.32 = 2,039.07 : x
  2. Step 2: Convert to fraction form
    3,632.07/5,012.32 = 2,039.07/x
  3. Step 3: Cross multiply
    3,632.07x = 5,012.32 × 2,039.07
  4. Step 4: Simplify right side
    3,632.07x = 10,220,471.34
  5. Step 5: Solve for x
    x = 10,220,471.34/3,632.07
  6. Step 6: Final answer
    x = 2,813.95

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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.