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Finding the Fourth Proportional to 56,786.04, 85,114.49 and 34,550.42

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Solution

The fourth proportional to 56,786.04, 85,114.49 and 34,550.42 is: 51,786.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,786.04 : 85,114.49 = 34,550.42 : x
  2. Step 2: Convert to fraction form
    56,786.04/85,114.49 = 34,550.42/x
  3. Step 3: Cross multiply
    56,786.04x = 85,114.49 × 34,550.42
  4. Step 4: Simplify right side
    56,786.04x = 2,940,740,779.26
  5. Step 5: Solve for x
    x = 2,940,740,779.26/56,786.04
  6. Step 6: Final answer
    x = 51,786.33

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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.