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Finding the Fourth Proportional to 53,768.99, 80,495.76 and 37,702.82

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Solution

The fourth proportional to 53,768.99, 80,495.76 and 37,702.82 is: 56,443.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,768.99 : 80,495.76 = 37,702.82 : x
  2. Step 2: Convert to fraction form
    53,768.99/80,495.76 = 37,702.82/x
  3. Step 3: Cross multiply
    53,768.99x = 80,495.76 × 37,702.82
  4. Step 4: Simplify right side
    53,768.99x = 3,034,916,747.56
  5. Step 5: Solve for x
    x = 3,034,916,747.56/53,768.99
  6. Step 6: Final answer
    x = 56,443.63

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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.