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Finding the Fourth Proportional to 61,857.34, 85,360.84 and 33,562.42

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Solution

The fourth proportional to 61,857.34, 85,360.84 and 33,562.42 is: 46,314.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,857.34 : 85,360.84 = 33,562.42 : x
  2. Step 2: Convert to fraction form
    61,857.34/85,360.84 = 33,562.42/x
  3. Step 3: Cross multiply
    61,857.34x = 85,360.84 × 33,562.42
  4. Step 4: Simplify right side
    61,857.34x = 2,864,916,363.63
  5. Step 5: Solve for x
    x = 2,864,916,363.63/61,857.34
  6. Step 6: Final answer
    x = 46,314.90

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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.