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Finding the Fourth Proportional to 51,423.55, 70,963.55 and 29,067.55

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Solution

The fourth proportional to 51,423.55, 70,963.55 and 29,067.55 is: 40,112.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,423.55 : 70,963.55 = 29,067.55 : x
  2. Step 2: Convert to fraction form
    51,423.55/70,963.55 = 29,067.55/x
  3. Step 3: Cross multiply
    51,423.55x = 70,963.55 × 29,067.55
  4. Step 4: Simplify right side
    51,423.55x = 2,062,736,255.65
  5. Step 5: Solve for x
    x = 2,062,736,255.65/51,423.55
  6. Step 6: Final answer
    x = 40,112.68

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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.