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Finding the Fourth Proportional to 2,182.53, 3,274.64 and 1,013.13

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Solution

The fourth proportional to 2,182.53, 3,274.64 and 1,013.13 is: 1,520.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182.53 : 3,274.64 = 1,013.13 : x
  2. Step 2: Convert to fraction form
    2,182.53/3,274.64 = 1,013.13/x
  3. Step 3: Cross multiply
    2,182.53x = 3,274.64 × 1,013.13
  4. Step 4: Simplify right side
    2,182.53x = 3,317,636.02
  5. Step 5: Solve for x
    x = 3,317,636.02/2,182.53
  6. Step 6: Final answer
    x = 1,520.09

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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.