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Finding the Fourth Proportional to 17,289.84, 25,938.04 and 6,759.38

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Solution

The fourth proportional to 17,289.84, 25,938.04 and 6,759.38 is: 10,140.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,289.84 : 25,938.04 = 6,759.38 : x
  2. Step 2: Convert to fraction form
    17,289.84/25,938.04 = 6,759.38/x
  3. Step 3: Cross multiply
    17,289.84x = 25,938.04 × 6,759.38
  4. Step 4: Simplify right side
    17,289.84x = 175,325,068.82
  5. Step 5: Solve for x
    x = 175,325,068.82/17,289.84
  6. Step 6: Final answer
    x = 10,140.35

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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.