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Finding the Fourth Proportional to 55,661.92, 83,467.92 and 40,014.08

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Solution

The fourth proportional to 55,661.92, 83,467.92 and 40,014.08 is: 60,003.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,661.92 : 83,467.92 = 40,014.08 : x
  2. Step 2: Convert to fraction form
    55,661.92/83,467.92 = 40,014.08/x
  3. Step 3: Cross multiply
    55,661.92x = 83,467.92 × 40,014.08
  4. Step 4: Simplify right side
    55,661.92x = 3,339,892,028.31
  5. Step 5: Solve for x
    x = 3,339,892,028.31/55,661.92
  6. Step 6: Final answer
    x = 60,003.18

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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.