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Finding the Fourth Proportional to 3,636.92, 5,018.81 and 2,064.84

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Solution

The fourth proportional to 3,636.92, 5,018.81 and 2,064.84 is: 2,849.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.92 : 5,018.81 = 2,064.84 : x
  2. Step 2: Convert to fraction form
    3,636.92/5,018.81 = 2,064.84/x
  3. Step 3: Cross multiply
    3,636.92x = 5,018.81 × 2,064.84
  4. Step 4: Simplify right side
    3,636.92x = 10,363,029.32
  5. Step 5: Solve for x
    x = 10,363,029.32/3,636.92
  6. Step 6: Final answer
    x = 2,849.40

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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.