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Finding the Fourth Proportional to 16,957.66, 25,437.61 and 5,865.42

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Solution

The fourth proportional to 16,957.66, 25,437.61 and 5,865.42 is: 8,798.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,957.66 : 25,437.61 = 5,865.42 : x
  2. Step 2: Convert to fraction form
    16,957.66/25,437.61 = 5,865.42/x
  3. Step 3: Cross multiply
    16,957.66x = 25,437.61 × 5,865.42
  4. Step 4: Simplify right side
    16,957.66x = 149,202,266.45
  5. Step 5: Solve for x
    x = 149,202,266.45/16,957.66
  6. Step 6: Final answer
    x = 8,798.52

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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.