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Finding the Fourth Proportional to 17,214.81, 25,822.05 and 5,528.03

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Solution

The fourth proportional to 17,214.81, 25,822.05 and 5,528.03 is: 8,291.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,214.81 : 25,822.05 = 5,528.03 : x
  2. Step 2: Convert to fraction form
    17,214.81/25,822.05 = 5,528.03/x
  3. Step 3: Cross multiply
    17,214.81x = 25,822.05 × 5,528.03
  4. Step 4: Simplify right side
    17,214.81x = 142,744,937.95
  5. Step 5: Solve for x
    x = 142,744,937.95/17,214.81
  6. Step 6: Final answer
    x = 8,291.98

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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.