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Finding the Fourth Proportional to 64,441.44, 96,631.49 and 26,484.78

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Solution

The fourth proportional to 64,441.44, 96,631.49 and 26,484.78 is: 39,714.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,441.44 : 96,631.49 = 26,484.78 : x
  2. Step 2: Convert to fraction form
    64,441.44/96,631.49 = 26,484.78/x
  3. Step 3: Cross multiply
    64,441.44x = 96,631.49 × 26,484.78
  4. Step 4: Simplify right side
    64,441.44x = 2,559,263,621.30
  5. Step 5: Solve for x
    x = 2,559,263,621.30/64,441.44
  6. Step 6: Final answer
    x = 39,714.56

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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.