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Finding the Fourth Proportional to 2,476.70, 3,709.65 and 2,203.10

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Solution

The fourth proportional to 2,476.70, 3,709.65 and 2,203.10 is: 3,299.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.70 : 3,709.65 = 2,203.10 : x
  2. Step 2: Convert to fraction form
    2,476.70/3,709.65 = 2,203.10/x
  3. Step 3: Cross multiply
    2,476.70x = 3,709.65 × 2,203.10
  4. Step 4: Simplify right side
    2,476.70x = 8,172,729.92
  5. Step 5: Solve for x
    x = 8,172,729.92/2,476.70
  6. Step 6: Final answer
    x = 3,299.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.