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Finding the Fourth Proportional to 64,480.73, 96,756.39 and 25,039.40

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Solution

The fourth proportional to 64,480.73, 96,756.39 and 25,039.40 is: 37,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,480.73 : 96,756.39 = 25,039.40 : x
  2. Step 2: Convert to fraction form
    64,480.73/96,756.39 = 25,039.40/x
  3. Step 3: Cross multiply
    64,480.73x = 96,756.39 × 25,039.40
  4. Step 4: Simplify right side
    64,480.73x = 2,422,721,467.98
  5. Step 5: Solve for x
    x = 2,422,721,467.98/64,480.73
  6. Step 6: Final answer
    x = 37,572.80

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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.