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Finding the Fourth Proportional to 60,905.82, 84,050.66 and 34,049.82

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Solution

The fourth proportional to 60,905.82, 84,050.66 and 34,049.82 is: 46,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,905.82 : 84,050.66 = 34,049.82 : x
  2. Step 2: Convert to fraction form
    60,905.82/84,050.66 = 34,049.82/x
  3. Step 3: Cross multiply
    60,905.82x = 84,050.66 × 34,049.82
  4. Step 4: Simplify right side
    60,905.82x = 2,861,909,673.63
  5. Step 5: Solve for x
    x = 2,861,909,673.63/60,905.82
  6. Step 6: Final answer
    x = 46,989.10

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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.