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Finding the Fourth Proportional to 2,618.01, 3,612.87 and 1,623.33

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Solution

The fourth proportional to 2,618.01, 3,612.87 and 1,623.33 is: 2,240.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618.01 : 3,612.87 = 1,623.33 : x
  2. Step 2: Convert to fraction form
    2,618.01/3,612.87 = 1,623.33/x
  3. Step 3: Cross multiply
    2,618.01x = 3,612.87 × 1,623.33
  4. Step 4: Simplify right side
    2,618.01x = 5,864,880.26
  5. Step 5: Solve for x
    x = 5,864,880.26/2,618.01
  6. Step 6: Final answer
    x = 2,240.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.