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Finding the Fourth Proportional to 64,671.44, 97,007.16 and 23,115.92

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Solution

The fourth proportional to 64,671.44, 97,007.16 and 23,115.92 is: 34,673.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,671.44 : 97,007.16 = 23,115.92 : x
  2. Step 2: Convert to fraction form
    64,671.44/97,007.16 = 23,115.92/x
  3. Step 3: Cross multiply
    64,671.44x = 97,007.16 × 23,115.92
  4. Step 4: Simplify right side
    64,671.44x = 2,242,409,749.99
  5. Step 5: Solve for x
    x = 2,242,409,749.99/64,671.44
  6. Step 6: Final answer
    x = 34,673.88

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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.