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Finding the Fourth Proportional to 60,054.85, 82,821.98 and 49,829.68

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Solution

The fourth proportional to 60,054.85, 82,821.98 and 49,829.68 is: 68,720.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,054.85 : 82,821.98 = 49,829.68 : x
  2. Step 2: Convert to fraction form
    60,054.85/82,821.98 = 49,829.68/x
  3. Step 3: Cross multiply
    60,054.85x = 82,821.98 × 49,829.68
  4. Step 4: Simplify right side
    60,054.85x = 4,126,992,346.26
  5. Step 5: Solve for x
    x = 4,126,992,346.26/60,054.85
  6. Step 6: Final answer
    x = 68,720.39

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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.