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Finding the Fourth Proportional to 65,852, 90,843.34 and 44,637.92

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Solution

The fourth proportional to 65,852, 90,843.34 and 44,637.92 is: 61,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,852 : 90,843.34 = 44,637.92 : x
  2. Step 2: Convert to fraction form
    65,852/90,843.34 = 44,637.92/x
  3. Step 3: Cross multiply
    65,852x = 90,843.34 × 44,637.92
  4. Step 4: Simplify right side
    65,852x = 4,055,057,743.45
  5. Step 5: Solve for x
    x = 4,055,057,743.45/65,852
  6. Step 6: Final answer
    x = 61,578.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.