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Finding the Fourth Proportional to 2,955.33, 4,078.94 and 1,697.22

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Solution

The fourth proportional to 2,955.33, 4,078.94 and 1,697.22 is: 2,342.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.33 : 4,078.94 = 1,697.22 : x
  2. Step 2: Convert to fraction form
    2,955.33/4,078.94 = 1,697.22/x
  3. Step 3: Cross multiply
    2,955.33x = 4,078.94 × 1,697.22
  4. Step 4: Simplify right side
    2,955.33x = 6,922,850.06
  5. Step 5: Solve for x
    x = 6,922,850.06/2,955.33
  6. Step 6: Final answer
    x = 2,342.50

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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.