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Finding the Fourth Proportional to 56,714.86, 84,986.06 and 27,091.90

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Solution

The fourth proportional to 56,714.86, 84,986.06 and 27,091.90 is: 40,596.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,714.86 : 84,986.06 = 27,091.90 : x
  2. Step 2: Convert to fraction form
    56,714.86/84,986.06 = 27,091.90/x
  3. Step 3: Cross multiply
    56,714.86x = 84,986.06 × 27,091.90
  4. Step 4: Simplify right side
    56,714.86x = 2,302,433,838.91
  5. Step 5: Solve for x
    x = 2,302,433,838.91/56,714.86
  6. Step 6: Final answer
    x = 40,596.66

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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.