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Finding the Fourth Proportional to 61,814.33, 85,303.82 and 33,520.01

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Solution

The fourth proportional to 61,814.33, 85,303.82 and 33,520.01 is: 46,257.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,814.33 : 85,303.82 = 33,520.01 : x
  2. Step 2: Convert to fraction form
    61,814.33/85,303.82 = 33,520.01/x
  3. Step 3: Cross multiply
    61,814.33x = 85,303.82 × 33,520.01
  4. Step 4: Simplify right side
    61,814.33x = 2,859,384,305.32
  5. Step 5: Solve for x
    x = 2,859,384,305.32/61,814.33
  6. Step 6: Final answer
    x = 46,257.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.