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Finding the Fourth Proportional to 17,392.68, 26,089.20 and 7,002

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Solution

The fourth proportional to 17,392.68, 26,089.20 and 7,002 is: 10,503.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,392.68 : 26,089.20 = 7,002 : x
  2. Step 2: Convert to fraction form
    17,392.68/26,089.20 = 7,002/x
  3. Step 3: Cross multiply
    17,392.68x = 26,089.20 × 7,002
  4. Step 4: Simplify right side
    17,392.68x = 182,676,578.40
  5. Step 5: Solve for x
    x = 182,676,578.40/17,392.68
  6. Step 6: Final answer
    x = 10,503.07

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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.