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Finding the Fourth Proportional to 60,954.79, 84,121.33 and 34,099.11

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Solution

The fourth proportional to 60,954.79, 84,121.33 and 34,099.11 is: 47,058.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,954.79 : 84,121.33 = 34,099.11 : x
  2. Step 2: Convert to fraction form
    60,954.79/84,121.33 = 34,099.11/x
  3. Step 3: Cross multiply
    60,954.79x = 84,121.33 × 34,099.11
  4. Step 4: Simplify right side
    60,954.79x = 2,868,462,485.02
  5. Step 5: Solve for x
    x = 2,868,462,485.02/60,954.79
  6. Step 6: Final answer
    x = 47,058.85

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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.