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Finding the Fourth Proportional to 63,440.64, 95,096.16 and 21,852

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Solution

The fourth proportional to 63,440.64, 95,096.16 and 21,852 is: 32,755.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,440.64 : 95,096.16 = 21,852 : x
  2. Step 2: Convert to fraction form
    63,440.64/95,096.16 = 21,852/x
  3. Step 3: Cross multiply
    63,440.64x = 95,096.16 × 21,852
  4. Step 4: Simplify right side
    63,440.64x = 2,078,041,288.32
  5. Step 5: Solve for x
    x = 2,078,041,288.32/63,440.64
  6. Step 6: Final answer
    x = 32,755.68

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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.