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Finding the Fourth Proportional to 63,446.40, 95,040.42 and 30,065.28

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Solution

The fourth proportional to 63,446.40, 95,040.42 and 30,065.28 is: 45,036.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,446.40 : 95,040.42 = 30,065.28 : x
  2. Step 2: Convert to fraction form
    63,446.40/95,040.42 = 30,065.28/x
  3. Step 3: Cross multiply
    63,446.40x = 95,040.42 × 30,065.28
  4. Step 4: Simplify right side
    63,446.40x = 2,857,416,838.62
  5. Step 5: Solve for x
    x = 2,857,416,838.62/63,446.40
  6. Step 6: Final answer
    x = 45,036.71

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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.