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Finding the Fourth Proportional to 36,707.70, 55,007.51 and 16,419.86

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Solution

The fourth proportional to 36,707.70, 55,007.51 and 16,419.86 is: 24,605.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,707.70 : 55,007.51 = 16,419.86 : x
  2. Step 2: Convert to fraction form
    36,707.70/55,007.51 = 16,419.86/x
  3. Step 3: Cross multiply
    36,707.70x = 55,007.51 × 16,419.86
  4. Step 4: Simplify right side
    36,707.70x = 903,215,256.01
  5. Step 5: Solve for x
    x = 903,215,256.01/36,707.70
  6. Step 6: Final answer
    x = 24,605.61

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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.