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Finding the Fourth Proportional to 17,304, 25,919.28 and 16,697.76

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Solution

The fourth proportional to 17,304, 25,919.28 and 16,697.76 is: 25,011.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,304 : 25,919.28 = 16,697.76 : x
  2. Step 2: Convert to fraction form
    17,304/25,919.28 = 16,697.76/x
  3. Step 3: Cross multiply
    17,304x = 25,919.28 × 16,697.76
  4. Step 4: Simplify right side
    17,304x = 432,793,916.81
  5. Step 5: Solve for x
    x = 432,793,916.81/17,304
  6. Step 6: Final answer
    x = 25,011.21

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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.