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Finding the Fourth Proportional to 56,485.94, 84,714.06 and 26,844.80

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Solution

The fourth proportional to 56,485.94, 84,714.06 and 26,844.80 is: 40,260.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,485.94 : 84,714.06 = 26,844.80 : x
  2. Step 2: Convert to fraction form
    56,485.94/84,714.06 = 26,844.80/x
  3. Step 3: Cross multiply
    56,485.94x = 84,714.06 × 26,844.80
  4. Step 4: Simplify right side
    56,485.94x = 2,274,131,997.89
  5. Step 5: Solve for x
    x = 2,274,131,997.89/56,485.94
  6. Step 6: Final answer
    x = 40,260.14

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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.