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Finding the Fourth Proportional to 60,905.81, 84,051.87 and 34,049.45

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Solution

The fourth proportional to 60,905.81, 84,051.87 and 34,049.45 is: 46,989.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,905.81 : 84,051.87 = 34,049.45 : x
  2. Step 2: Convert to fraction form
    60,905.81/84,051.87 = 34,049.45/x
  3. Step 3: Cross multiply
    60,905.81x = 84,051.87 × 34,049.45
  4. Step 4: Simplify right side
    60,905.81x = 2,861,919,944.97
  5. Step 5: Solve for x
    x = 2,861,919,944.97/60,905.81
  6. Step 6: Final answer
    x = 46,989.28

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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.