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Finding the Fourth Proportional to 63,935.24, 95,935.30 and 43,115

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Solution

The fourth proportional to 63,935.24, 95,935.30 and 43,115 is: 64,694.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,935.24 : 95,935.30 = 43,115 : x
  2. Step 2: Convert to fraction form
    63,935.24/95,935.30 = 43,115/x
  3. Step 3: Cross multiply
    63,935.24x = 95,935.30 × 43,115
  4. Step 4: Simplify right side
    63,935.24x = 4,136,250,459.50
  5. Step 5: Solve for x
    x = 4,136,250,459.50/63,935.24
  6. Step 6: Final answer
    x = 64,694.38

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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.