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Finding the Fourth Proportional to 63,978.10, 95,967.14 and 22,425.10

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Solution

The fourth proportional to 63,978.10, 95,967.14 and 22,425.10 is: 33,637.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,978.10 : 95,967.14 = 22,425.10 : x
  2. Step 2: Convert to fraction form
    63,978.10/95,967.14 = 22,425.10/x
  3. Step 3: Cross multiply
    63,978.10x = 95,967.14 × 22,425.10
  4. Step 4: Simplify right side
    63,978.10x = 2,152,072,711.21
  5. Step 5: Solve for x
    x = 2,152,072,711.21/63,978.10
  6. Step 6: Final answer
    x = 33,637.65

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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.