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Finding the Fourth Proportional to 63,995.40, 95,915.24 and 45,280.82

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Solution

The fourth proportional to 63,995.40, 95,915.24 and 45,280.82 is: 67,866.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,995.40 : 95,915.24 = 45,280.82 : x
  2. Step 2: Convert to fraction form
    63,995.40/95,915.24 = 45,280.82/x
  3. Step 3: Cross multiply
    63,995.40x = 95,915.24 × 45,280.82
  4. Step 4: Simplify right side
    63,995.40x = 4,343,120,900.88
  5. Step 5: Solve for x
    x = 4,343,120,900.88/63,995.40
  6. Step 6: Final answer
    x = 67,866.14

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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.