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Finding the Fourth Proportional to 53,611.22, 80,443.02 and 37,917.11

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Solution

The fourth proportional to 53,611.22, 80,443.02 and 37,917.11 is: 56,894.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,611.22 : 80,443.02 = 37,917.11 : x
  2. Step 2: Convert to fraction form
    53,611.22/80,443.02 = 37,917.11/x
  3. Step 3: Cross multiply
    53,611.22x = 80,443.02 × 37,917.11
  4. Step 4: Simplify right side
    53,611.22x = 3,050,166,435.86
  5. Step 5: Solve for x
    x = 3,050,166,435.86/53,611.22
  6. Step 6: Final answer
    x = 56,894.19

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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.