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Finding the Fourth Proportional to 17,133.40, 25,701.90 and 5,443.90

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Solution

The fourth proportional to 17,133.40, 25,701.90 and 5,443.90 is: 8,166.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,133.40 : 25,701.90 = 5,443.90 : x
  2. Step 2: Convert to fraction form
    17,133.40/25,701.90 = 5,443.90/x
  3. Step 3: Cross multiply
    17,133.40x = 25,701.90 × 5,443.90
  4. Step 4: Simplify right side
    17,133.40x = 139,918,573.41
  5. Step 5: Solve for x
    x = 139,918,573.41/17,133.40
  6. Step 6: Final answer
    x = 8,166.42

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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.