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Finding the Fourth Proportional to 16,884.65, 25,319.03 and 9,866.69

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Solution

The fourth proportional to 16,884.65, 25,319.03 and 9,866.69 is: 14,795.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,884.65 : 25,319.03 = 9,866.69 : x
  2. Step 2: Convert to fraction form
    16,884.65/25,319.03 = 9,866.69/x
  3. Step 3: Cross multiply
    16,884.65x = 25,319.03 × 9,866.69
  4. Step 4: Simplify right side
    16,884.65x = 249,815,100.05
  5. Step 5: Solve for x
    x = 249,815,100.05/16,884.65
  6. Step 6: Final answer
    x = 14,795.39

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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.