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Finding the Fourth Proportional to 17,505.54, 26,241.12 and 6,972.03

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Solution

The fourth proportional to 17,505.54, 26,241.12 and 6,972.03 is: 10,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,505.54 : 26,241.12 = 6,972.03 : x
  2. Step 2: Convert to fraction form
    17,505.54/26,241.12 = 6,972.03/x
  3. Step 3: Cross multiply
    17,505.54x = 26,241.12 × 6,972.03
  4. Step 4: Simplify right side
    17,505.54x = 182,953,875.87
  5. Step 5: Solve for x
    x = 182,953,875.87/17,505.54
  6. Step 6: Final answer
    x = 10,451.20

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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.