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Finding the Fourth Proportional to 60,920.36, 84,069.86 and 34,062.79

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Solution

The fourth proportional to 60,920.36, 84,069.86 and 34,062.79 is: 47,006.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,920.36 : 84,069.86 = 34,062.79 : x
  2. Step 2: Convert to fraction form
    60,920.36/84,069.86 = 34,062.79/x
  3. Step 3: Cross multiply
    60,920.36x = 84,069.86 × 34,062.79
  4. Step 4: Simplify right side
    60,920.36x = 2,863,653,566.16
  5. Step 5: Solve for x
    x = 2,863,653,566.16/60,920.36
  6. Step 6: Final answer
    x = 47,006.51

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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.