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Finding the Fourth Proportional to 32,238.80, 44,495.16 and 18,818

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Solution

The fourth proportional to 32,238.80, 44,495.16 and 18,818 is: 25,972.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,238.80 : 44,495.16 = 18,818 : x
  2. Step 2: Convert to fraction form
    32,238.80/44,495.16 = 18,818/x
  3. Step 3: Cross multiply
    32,238.80x = 44,495.16 × 18,818
  4. Step 4: Simplify right side
    32,238.80x = 837,309,920.88
  5. Step 5: Solve for x
    x = 837,309,920.88/32,238.80
  6. Step 6: Final answer
    x = 25,972.12

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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.