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Finding the Fourth Proportional to 3,955.55, 5,934.41 and 2,842.88

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Solution

The fourth proportional to 3,955.55, 5,934.41 and 2,842.88 is: 4,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.55 : 5,934.41 = 2,842.88 : x
  2. Step 2: Convert to fraction form
    3,955.55/5,934.41 = 2,842.88/x
  3. Step 3: Cross multiply
    3,955.55x = 5,934.41 × 2,842.88
  4. Step 4: Simplify right side
    3,955.55x = 16,870,815.50
  5. Step 5: Solve for x
    x = 16,870,815.50/3,955.55
  6. Step 6: Final answer
    x = 4,265.10

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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.