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Finding the Fourth Proportional to 61,989.04, 85,544.24 and 33,694.54

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Solution

The fourth proportional to 61,989.04, 85,544.24 and 33,694.54 is: 46,498.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,989.04 : 85,544.24 = 33,694.54 : x
  2. Step 2: Convert to fraction form
    61,989.04/85,544.24 = 33,694.54/x
  3. Step 3: Cross multiply
    61,989.04x = 85,544.24 × 33,694.54
  4. Step 4: Simplify right side
    61,989.04x = 2,882,373,816.45
  5. Step 5: Solve for x
    x = 2,882,373,816.45/61,989.04
  6. Step 6: Final answer
    x = 46,498.12

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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.