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Finding the Fourth Proportional to 63,908.30, 95,790.45 and 30,644.30

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Solution

The fourth proportional to 63,908.30, 95,790.45 and 30,644.30 is: 45,931.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,908.30 : 95,790.45 = 30,644.30 : x
  2. Step 2: Convert to fraction form
    63,908.30/95,790.45 = 30,644.30/x
  3. Step 3: Cross multiply
    63,908.30x = 95,790.45 × 30,644.30
  4. Step 4: Simplify right side
    63,908.30x = 2,935,431,286.94
  5. Step 5: Solve for x
    x = 2,935,431,286.94/63,908.30
  6. Step 6: Final answer
    x = 45,931.93

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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.