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Finding the Fourth Proportional to 3,609.63, 4,981.43 and 2,037.69

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Solution

The fourth proportional to 3,609.63, 4,981.43 and 2,037.69 is: 2,812.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.63 : 4,981.43 = 2,037.69 : x
  2. Step 2: Convert to fraction form
    3,609.63/4,981.43 = 2,037.69/x
  3. Step 3: Cross multiply
    3,609.63x = 4,981.43 × 2,037.69
  4. Step 4: Simplify right side
    3,609.63x = 10,150,615.19
  5. Step 5: Solve for x
    x = 10,150,615.19/3,609.63
  6. Step 6: Final answer
    x = 2,812.09

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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.