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Finding the Fourth Proportional to 64,853.44, 89,571.56 and 43,595.80

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Solution

The fourth proportional to 64,853.44, 89,571.56 and 43,595.80 is: 60,211.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,853.44 : 89,571.56 = 43,595.80 : x
  2. Step 2: Convert to fraction form
    64,853.44/89,571.56 = 43,595.80/x
  3. Step 3: Cross multiply
    64,853.44x = 89,571.56 × 43,595.80
  4. Step 4: Simplify right side
    64,853.44x = 3,904,943,373.54
  5. Step 5: Solve for x
    x = 3,904,943,373.54/64,853.44
  6. Step 6: Final answer
    x = 60,211.82

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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.