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Finding the Fourth Proportional to 4,813.63, 7,220.41 and 1,350.88

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Solution

The fourth proportional to 4,813.63, 7,220.41 and 1,350.88 is: 2,026.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.63 : 7,220.41 = 1,350.88 : x
  2. Step 2: Convert to fraction form
    4,813.63/7,220.41 = 1,350.88/x
  3. Step 3: Cross multiply
    4,813.63x = 7,220.41 × 1,350.88
  4. Step 4: Simplify right side
    4,813.63x = 9,753,886.03
  5. Step 5: Solve for x
    x = 9,753,886.03/4,813.63
  6. Step 6: Final answer
    x = 2,026.31

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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.