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Finding the Fourth Proportional to 62,303.91, 85,976.40 and 35,443.90

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Solution

The fourth proportional to 62,303.91, 85,976.40 and 35,443.90 is: 48,910.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,303.91 : 85,976.40 = 35,443.90 : x
  2. Step 2: Convert to fraction form
    62,303.91/85,976.40 = 35,443.90/x
  3. Step 3: Cross multiply
    62,303.91x = 85,976.40 × 35,443.90
  4. Step 4: Simplify right side
    62,303.91x = 3,047,338,923.96
  5. Step 5: Solve for x
    x = 3,047,338,923.96/62,303.91
  6. Step 6: Final answer
    x = 48,910.88

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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.