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Finding the Fourth Proportional to 53,402.50, 80,051.35 and 29,721.39

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Solution

The fourth proportional to 53,402.50, 80,051.35 and 29,721.39 is: 44,552.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,402.50 : 80,051.35 = 29,721.39 : x
  2. Step 2: Convert to fraction form
    53,402.50/80,051.35 = 29,721.39/x
  3. Step 3: Cross multiply
    53,402.50x = 80,051.35 × 29,721.39
  4. Step 4: Simplify right side
    53,402.50x = 2,379,237,393.38
  5. Step 5: Solve for x
    x = 2,379,237,393.38/53,402.50
  6. Step 6: Final answer
    x = 44,552.92

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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.