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Finding the Fourth Proportional to 3,632.92, 5,013.68 and 2,039.68

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Solution

The fourth proportional to 3,632.92, 5,013.68 and 2,039.68 is: 2,814.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,632.92 : 5,013.68 = 2,039.68 : x
  2. Step 2: Convert to fraction form
    3,632.92/5,013.68 = 2,039.68/x
  3. Step 3: Cross multiply
    3,632.92x = 5,013.68 × 2,039.68
  4. Step 4: Simplify right side
    3,632.92x = 10,226,302.82
  5. Step 5: Solve for x
    x = 10,226,302.82/3,632.92
  6. Step 6: Final answer
    x = 2,814.90

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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.