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Finding the Fourth Proportional to 2,334.77, 3,218.89 and 1,934.94

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Solution

The fourth proportional to 2,334.77, 3,218.89 and 1,934.94 is: 2,667.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,334.77 : 3,218.89 = 1,934.94 : x
  2. Step 2: Convert to fraction form
    2,334.77/3,218.89 = 1,934.94/x
  3. Step 3: Cross multiply
    2,334.77x = 3,218.89 × 1,934.94
  4. Step 4: Simplify right side
    2,334.77x = 6,228,351.77
  5. Step 5: Solve for x
    x = 6,228,351.77/2,334.77
  6. Step 6: Final answer
    x = 2,667.65

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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.