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Finding the Fourth Proportional to 52,504.98, 78,669.80 and 36,894.66

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Solution

The fourth proportional to 52,504.98, 78,669.80 and 36,894.66 is: 55,280.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,504.98 : 78,669.80 = 36,894.66 : x
  2. Step 2: Convert to fraction form
    52,504.98/78,669.80 = 36,894.66/x
  3. Step 3: Cross multiply
    52,504.98x = 78,669.80 × 36,894.66
  4. Step 4: Simplify right side
    52,504.98x = 2,902,495,523.27
  5. Step 5: Solve for x
    x = 2,902,495,523.27/52,504.98
  6. Step 6: Final answer
    x = 55,280.39

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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.