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Finding the Fourth Proportional to 51,661.96, 77,492.93 and 16,626.22

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Solution

The fourth proportional to 51,661.96, 77,492.93 and 16,626.22 is: 24,939.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,661.96 : 77,492.93 = 16,626.22 : x
  2. Step 2: Convert to fraction form
    51,661.96/77,492.93 = 16,626.22/x
  3. Step 3: Cross multiply
    51,661.96x = 77,492.93 × 16,626.22
  4. Step 4: Simplify right side
    51,661.96x = 1,288,414,502.62
  5. Step 5: Solve for x
    x = 1,288,414,502.62/51,661.96
  6. Step 6: Final answer
    x = 24,939.33

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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.