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Finding the Fourth Proportional to 61,855.34, 85,358.09 and 33,560.42

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Solution

The fourth proportional to 61,855.34, 85,358.09 and 33,560.42 is: 46,312.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,855.34 : 85,358.09 = 33,560.42 : x
  2. Step 2: Convert to fraction form
    61,855.34/85,358.09 = 33,560.42/x
  3. Step 3: Cross multiply
    61,855.34x = 85,358.09 × 33,560.42
  4. Step 4: Simplify right side
    61,855.34x = 2,864,653,183.00
  5. Step 5: Solve for x
    x = 2,864,653,183.00/61,855.34
  6. Step 6: Final answer
    x = 46,312.14

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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.