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Finding the Fourth Proportional to 2,941.66, 4,392.20 and 2,394.88

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Solution

The fourth proportional to 2,941.66, 4,392.20 and 2,394.88 is: 3,575.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.66 : 4,392.20 = 2,394.88 : x
  2. Step 2: Convert to fraction form
    2,941.66/4,392.20 = 2,394.88/x
  3. Step 3: Cross multiply
    2,941.66x = 4,392.20 × 2,394.88
  4. Step 4: Simplify right side
    2,941.66x = 10,518,791.94
  5. Step 5: Solve for x
    x = 10,518,791.94/2,941.66
  6. Step 6: Final answer
    x = 3,575.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.