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Finding the Fourth Proportional to 60,858.49, 91,334.84 and 39,792.82

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Solution

The fourth proportional to 60,858.49, 91,334.84 and 39,792.82 is: 59,720.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,858.49 : 91,334.84 = 39,792.82 : x
  2. Step 2: Convert to fraction form
    60,858.49/91,334.84 = 39,792.82/x
  3. Step 3: Cross multiply
    60,858.49x = 91,334.84 × 39,792.82
  4. Step 4: Simplify right side
    60,858.49x = 3,634,470,815.64
  5. Step 5: Solve for x
    x = 3,634,470,815.64/60,858.49
  6. Step 6: Final answer
    x = 59,720.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.