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Finding the Fourth Proportional to 39,955.56, 59,960.06 and 16,581.99

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Solution

The fourth proportional to 39,955.56, 59,960.06 and 16,581.99 is: 24,884.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,955.56 : 59,960.06 = 16,581.99 : x
  2. Step 2: Convert to fraction form
    39,955.56/59,960.06 = 16,581.99/x
  3. Step 3: Cross multiply
    39,955.56x = 59,960.06 × 16,581.99
  4. Step 4: Simplify right side
    39,955.56x = 994,257,115.32
  5. Step 5: Solve for x
    x = 994,257,115.32/39,955.56
  6. Step 6: Final answer
    x = 24,884.07

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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.