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Finding the Fourth Proportional to 43,482.41, 65,221.41 and 25,480.82

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Solution

The fourth proportional to 43,482.41, 65,221.41 and 25,480.82 is: 38,219.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,482.41 : 65,221.41 = 25,480.82 : x
  2. Step 2: Convert to fraction form
    43,482.41/65,221.41 = 25,480.82/x
  3. Step 3: Cross multiply
    43,482.41x = 65,221.41 × 25,480.82
  4. Step 4: Simplify right side
    43,482.41x = 1,661,895,008.36
  5. Step 5: Solve for x
    x = 1,661,895,008.36/43,482.41
  6. Step 6: Final answer
    x = 38,219.94

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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.