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Finding the Fourth Proportional to 60,921.36, 84,071.24 and 34,063.79

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Solution

The fourth proportional to 60,921.36, 84,071.24 and 34,063.79 is: 47,007.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,921.36 : 84,071.24 = 34,063.79 : x
  2. Step 2: Convert to fraction form
    60,921.36/84,071.24 = 34,063.79/x
  3. Step 3: Cross multiply
    60,921.36x = 84,071.24 × 34,063.79
  4. Step 4: Simplify right side
    60,921.36x = 2,863,785,064.40
  5. Step 5: Solve for x
    x = 2,863,785,064.40/60,921.36
  6. Step 6: Final answer
    x = 47,007.90

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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.