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Finding the Fourth Proportional to 70,057.41, 96,687.59 and 39,847.29

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Solution

The fourth proportional to 70,057.41, 96,687.59 and 39,847.29 is: 54,994.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,057.41 : 96,687.59 = 39,847.29 : x
  2. Step 2: Convert to fraction form
    70,057.41/96,687.59 = 39,847.29/x
  3. Step 3: Cross multiply
    70,057.41x = 96,687.59 × 39,847.29
  4. Step 4: Simplify right side
    70,057.41x = 3,852,738,238.89
  5. Step 5: Solve for x
    x = 3,852,738,238.89/70,057.41
  6. Step 6: Final answer
    x = 54,994.01

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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.