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Finding the Fourth Proportional to 17,509, 26,263.45 and 4,361.38

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Solution

The fourth proportional to 17,509, 26,263.45 and 4,361.38 is: 6,542.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,509 : 26,263.45 = 4,361.38 : x
  2. Step 2: Convert to fraction form
    17,509/26,263.45 = 4,361.38/x
  3. Step 3: Cross multiply
    17,509x = 26,263.45 × 4,361.38
  4. Step 4: Simplify right side
    17,509x = 114,544,885.56
  5. Step 5: Solve for x
    x = 114,544,885.56/17,509
  6. Step 6: Final answer
    x = 6,542.06

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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.