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Finding the Fourth Proportional to 61,154.36, 84,393.87 and 36,951.96

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Solution

The fourth proportional to 61,154.36, 84,393.87 and 36,951.96 is: 50,994.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,154.36 : 84,393.87 = 36,951.96 : x
  2. Step 2: Convert to fraction form
    61,154.36/84,393.87 = 36,951.96/x
  3. Step 3: Cross multiply
    61,154.36x = 84,393.87 × 36,951.96
  4. Step 4: Simplify right side
    61,154.36x = 3,118,518,723.73
  5. Step 5: Solve for x
    x = 3,118,518,723.73/61,154.36
  6. Step 6: Final answer
    x = 50,994.22

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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.