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Finding the Fourth Proportional to 2,628.93, 3,627.78 and 1,746.33

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Solution

The fourth proportional to 2,628.93, 3,627.78 and 1,746.33 is: 2,409.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.93 : 3,627.78 = 1,746.33 : x
  2. Step 2: Convert to fraction form
    2,628.93/3,627.78 = 1,746.33/x
  3. Step 3: Cross multiply
    2,628.93x = 3,627.78 × 1,746.33
  4. Step 4: Simplify right side
    2,628.93x = 6,335,301.05
  5. Step 5: Solve for x
    x = 6,335,301.05/2,628.93
  6. Step 6: Final answer
    x = 2,409.84

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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.