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Finding the Fourth Proportional to 55,063.92, 75,975.12 and 32,403.90

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Solution

The fourth proportional to 55,063.92, 75,975.12 and 32,403.90 is: 44,709.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,063.92 : 75,975.12 = 32,403.90 : x
  2. Step 2: Convert to fraction form
    55,063.92/75,975.12 = 32,403.90/x
  3. Step 3: Cross multiply
    55,063.92x = 75,975.12 × 32,403.90
  4. Step 4: Simplify right side
    55,063.92x = 2,461,890,190.97
  5. Step 5: Solve for x
    x = 2,461,890,190.97/55,063.92
  6. Step 6: Final answer
    x = 44,709.68

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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.