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Finding the Fourth Proportional to 64,461.56, 96,716.95 and 25,021.76

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Solution

The fourth proportional to 64,461.56, 96,716.95 and 25,021.76 is: 37,542.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,461.56 : 96,716.95 = 25,021.76 : x
  2. Step 2: Convert to fraction form
    64,461.56/96,716.95 = 25,021.76/x
  3. Step 3: Cross multiply
    64,461.56x = 96,716.95 × 25,021.76
  4. Step 4: Simplify right side
    64,461.56x = 2,420,027,764.69
  5. Step 5: Solve for x
    x = 2,420,027,764.69/64,461.56
  6. Step 6: Final answer
    x = 37,542.18

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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.