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Finding the Fourth Proportional to 2,012.68, 3,018.24 and 696.19

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Solution

The fourth proportional to 2,012.68, 3,018.24 and 696.19 is: 1,044.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012.68 : 3,018.24 = 696.19 : x
  2. Step 2: Convert to fraction form
    2,012.68/3,018.24 = 696.19/x
  3. Step 3: Cross multiply
    2,012.68x = 3,018.24 × 696.19
  4. Step 4: Simplify right side
    2,012.68x = 2,101,268.51
  5. Step 5: Solve for x
    x = 2,101,268.51/2,012.68
  6. Step 6: Final answer
    x = 1,044.02

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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.