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Finding the Fourth Proportional to 61,532.61, 84,943.35 and 36,035.43

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Solution

The fourth proportional to 61,532.61, 84,943.35 and 36,035.43 is: 49,745.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,532.61 : 84,943.35 = 36,035.43 : x
  2. Step 2: Convert to fraction form
    61,532.61/84,943.35 = 36,035.43/x
  3. Step 3: Cross multiply
    61,532.61x = 84,943.35 × 36,035.43
  4. Step 4: Simplify right side
    61,532.61x = 3,060,970,142.89
  5. Step 5: Solve for x
    x = 3,060,970,142.89/61,532.61
  6. Step 6: Final answer
    x = 49,745.49

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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.