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Finding the Fourth Proportional to 62,078.50, 85,653.39 and 36,585.88

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Solution

The fourth proportional to 62,078.50, 85,653.39 and 36,585.88 is: 50,479.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,078.50 : 85,653.39 = 36,585.88 : x
  2. Step 2: Convert to fraction form
    62,078.50/85,653.39 = 36,585.88/x
  3. Step 3: Cross multiply
    62,078.50x = 85,653.39 × 36,585.88
  4. Step 4: Simplify right side
    62,078.50x = 3,133,704,648.13
  5. Step 5: Solve for x
    x = 3,133,704,648.13/62,078.50
  6. Step 6: Final answer
    x = 50,479.71

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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.