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Finding the Fourth Proportional to 2,661.53, 4,012.23 and 2,483.12

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Solution

The fourth proportional to 2,661.53, 4,012.23 and 2,483.12 is: 3,743.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661.53 : 4,012.23 = 2,483.12 : x
  2. Step 2: Convert to fraction form
    2,661.53/4,012.23 = 2,483.12/x
  3. Step 3: Cross multiply
    2,661.53x = 4,012.23 × 2,483.12
  4. Step 4: Simplify right side
    2,661.53x = 9,962,867.90
  5. Step 5: Solve for x
    x = 9,962,867.90/2,661.53
  6. Step 6: Final answer
    x = 3,743.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.