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Finding the Fourth Proportional to 59,131.41, 81,619.45 and 36,477.47

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Solution

The fourth proportional to 59,131.41, 81,619.45 and 36,477.47 is: 50,350.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,131.41 : 81,619.45 = 36,477.47 : x
  2. Step 2: Convert to fraction form
    59,131.41/81,619.45 = 36,477.47/x
  3. Step 3: Cross multiply
    59,131.41x = 81,619.45 × 36,477.47
  4. Step 4: Simplify right side
    59,131.41x = 2,977,270,539.50
  5. Step 5: Solve for x
    x = 2,977,270,539.50/59,131.41
  6. Step 6: Final answer
    x = 50,350.07

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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.