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Finding the Fourth Proportional to 61,857.67, 85,364.13 and 33,563.92

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Solution

The fourth proportional to 61,857.67, 85,364.13 and 33,563.92 is: 46,318.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,857.67 : 85,364.13 = 33,563.92 : x
  2. Step 2: Convert to fraction form
    61,857.67/85,364.13 = 33,563.92/x
  3. Step 3: Cross multiply
    61,857.67x = 85,364.13 × 33,563.92
  4. Step 4: Simplify right side
    61,857.67x = 2,865,154,830.19
  5. Step 5: Solve for x
    x = 2,865,154,830.19/61,857.67
  6. Step 6: Final answer
    x = 46,318.51

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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.