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Finding the Fourth Proportional to 64,012, 95,987.33 and 30,249.92

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Solution

The fourth proportional to 64,012, 95,987.33 and 30,249.92 is: 45,360.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,012 : 95,987.33 = 30,249.92 : x
  2. Step 2: Convert to fraction form
    64,012/95,987.33 = 30,249.92/x
  3. Step 3: Cross multiply
    64,012x = 95,987.33 × 30,249.92
  4. Step 4: Simplify right side
    64,012x = 2,903,609,053.51
  5. Step 5: Solve for x
    x = 2,903,609,053.51/64,012
  6. Step 6: Final answer
    x = 45,360.39

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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.