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Finding the Fourth Proportional to 63,423.28, 87,523.02 and 34,743.51

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Solution

The fourth proportional to 63,423.28, 87,523.02 and 34,743.51 is: 47,945.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,423.28 : 87,523.02 = 34,743.51 : x
  2. Step 2: Convert to fraction form
    63,423.28/87,523.02 = 34,743.51/x
  3. Step 3: Cross multiply
    63,423.28x = 87,523.02 × 34,743.51
  4. Step 4: Simplify right side
    63,423.28x = 3,040,856,614.93
  5. Step 5: Solve for x
    x = 3,040,856,614.93/63,423.28
  6. Step 6: Final answer
    x = 47,945.43

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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.