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Finding the Fourth Proportional to 55,133.98, 82,714.83 and 17,697.40

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Solution

The fourth proportional to 55,133.98, 82,714.83 and 17,697.40 is: 26,550.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,133.98 : 82,714.83 = 17,697.40 : x
  2. Step 2: Convert to fraction form
    55,133.98/82,714.83 = 17,697.40/x
  3. Step 3: Cross multiply
    55,133.98x = 82,714.83 × 17,697.40
  4. Step 4: Simplify right side
    55,133.98x = 1,463,837,432.44
  5. Step 5: Solve for x
    x = 1,463,837,432.44/55,133.98
  6. Step 6: Final answer
    x = 26,550.55

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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.