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Finding the Fourth Proportional to 68,984.88, 95,271.41 and 47,530.41

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Solution

The fourth proportional to 68,984.88, 95,271.41 and 47,530.41 is: 65,641.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,984.88 : 95,271.41 = 47,530.41 : x
  2. Step 2: Convert to fraction form
    68,984.88/95,271.41 = 47,530.41/x
  3. Step 3: Cross multiply
    68,984.88x = 95,271.41 × 47,530.41
  4. Step 4: Simplify right side
    68,984.88x = 4,528,288,761.90
  5. Step 5: Solve for x
    x = 4,528,288,761.90/68,984.88
  6. Step 6: Final answer
    x = 65,641.76

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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.