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Finding the Fourth Proportional to 39,959.44, 59,965.88 and 16,585.88

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Solution

The fourth proportional to 39,959.44, 59,965.88 and 16,585.88 is: 24,889.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,959.44 : 59,965.88 = 16,585.88 : x
  2. Step 2: Convert to fraction form
    39,959.44/59,965.88 = 16,585.88/x
  3. Step 3: Cross multiply
    39,959.44x = 59,965.88 × 16,585.88
  4. Step 4: Simplify right side
    39,959.44x = 994,586,889.77
  5. Step 5: Solve for x
    x = 994,586,889.77/39,959.44
  6. Step 6: Final answer
    x = 24,889.91

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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.