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Finding the Fourth Proportional to 61,877.52, 85,391.06 and 33,583.21

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Solution

The fourth proportional to 61,877.52, 85,391.06 and 33,583.21 is: 46,344.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,877.52 : 85,391.06 = 33,583.21 : x
  2. Step 2: Convert to fraction form
    61,877.52/85,391.06 = 33,583.21/x
  3. Step 3: Cross multiply
    61,877.52x = 85,391.06 × 33,583.21
  4. Step 4: Simplify right side
    61,877.52x = 2,867,705,707.61
  5. Step 5: Solve for x
    x = 2,867,705,707.61/61,877.52
  6. Step 6: Final answer
    x = 46,344.87

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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.