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Finding the Fourth Proportional to 59,243.76, 81,803.52 and 36,615.60

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Solution

The fourth proportional to 59,243.76, 81,803.52 and 36,615.60 is: 50,558.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,243.76 : 81,803.52 = 36,615.60 : x
  2. Step 2: Convert to fraction form
    59,243.76/81,803.52 = 36,615.60/x
  3. Step 3: Cross multiply
    59,243.76x = 81,803.52 × 36,615.60
  4. Step 4: Simplify right side
    59,243.76x = 2,995,284,966.91
  5. Step 5: Solve for x
    x = 2,995,284,966.91/59,243.76
  6. Step 6: Final answer
    x = 50,558.66

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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.