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Finding the Fourth Proportional to 44,205.54, 66,318.84 and 13,040.82

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Solution

The fourth proportional to 44,205.54, 66,318.84 and 13,040.82 is: 19,564.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,205.54 : 66,318.84 = 13,040.82 : x
  2. Step 2: Convert to fraction form
    44,205.54/66,318.84 = 13,040.82/x
  3. Step 3: Cross multiply
    44,205.54x = 66,318.84 × 13,040.82
  4. Step 4: Simplify right side
    44,205.54x = 864,852,055.05
  5. Step 5: Solve for x
    x = 864,852,055.05/44,205.54
  6. Step 6: Final answer
    x = 19,564.34

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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.