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Finding the Fourth Proportional to 61,433.98, 84,778.05 and 35,957.86

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Solution

The fourth proportional to 61,433.98, 84,778.05 and 35,957.86 is: 49,621.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,433.98 : 84,778.05 = 35,957.86 : x
  2. Step 2: Convert to fraction form
    61,433.98/84,778.05 = 35,957.86/x
  3. Step 3: Cross multiply
    61,433.98x = 84,778.05 × 35,957.86
  4. Step 4: Simplify right side
    61,433.98x = 3,048,437,252.97
  5. Step 5: Solve for x
    x = 3,048,437,252.97/61,433.98
  6. Step 6: Final answer
    x = 49,621.35

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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.