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Finding the Fourth Proportional to 63,646.56, 95,324.51 and 30,390.12

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Solution

The fourth proportional to 63,646.56, 95,324.51 and 30,390.12 is: 45,515.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,646.56 : 95,324.51 = 30,390.12 : x
  2. Step 2: Convert to fraction form
    63,646.56/95,324.51 = 30,390.12/x
  3. Step 3: Cross multiply
    63,646.56x = 95,324.51 × 30,390.12
  4. Step 4: Simplify right side
    63,646.56x = 2,896,923,373.82
  5. Step 5: Solve for x
    x = 2,896,923,373.82/63,646.56
  6. Step 6: Final answer
    x = 45,515.79

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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.