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Finding the Fourth Proportional to 16,668.52, 25,006.62 and 7,308.52

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Solution

The fourth proportional to 16,668.52, 25,006.62 and 7,308.52 is: 10,964.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,668.52 : 25,006.62 = 7,308.52 : x
  2. Step 2: Convert to fraction form
    16,668.52/25,006.62 = 7,308.52/x
  3. Step 3: Cross multiply
    16,668.52x = 25,006.62 × 7,308.52
  4. Step 4: Simplify right side
    16,668.52x = 182,761,382.40
  5. Step 5: Solve for x
    x = 182,761,382.40/16,668.52
  6. Step 6: Final answer
    x = 10,964.46

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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.