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Finding the Fourth Proportional to 59,291.94, 81,852.75 and 45,832.80

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Solution

The fourth proportional to 59,291.94, 81,852.75 and 45,832.80 is: 63,272.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,291.94 : 81,852.75 = 45,832.80 : x
  2. Step 2: Convert to fraction form
    59,291.94/81,852.75 = 45,832.80/x
  3. Step 3: Cross multiply
    59,291.94x = 81,852.75 × 45,832.80
  4. Step 4: Simplify right side
    59,291.94x = 3,751,540,720.20
  5. Step 5: Solve for x
    x = 3,751,540,720.20/59,291.94
  6. Step 6: Final answer
    x = 63,272.36

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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.