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Finding the Fourth Proportional to 52,503.98, 78,668.30 and 36,893.66

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Solution

The fourth proportional to 52,503.98, 78,668.30 and 36,893.66 is: 55,278.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,503.98 : 78,668.30 = 36,893.66 : x
  2. Step 2: Convert to fraction form
    52,503.98/78,668.30 = 36,893.66/x
  3. Step 3: Cross multiply
    52,503.98x = 78,668.30 × 36,893.66
  4. Step 4: Simplify right side
    52,503.98x = 2,902,361,512.98
  5. Step 5: Solve for x
    x = 2,902,361,512.98/52,503.98
  6. Step 6: Final answer
    x = 55,278.89

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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.