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Finding the Fourth Proportional to 17,671.62, 26,507.31 and 5,359.62

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Solution

The fourth proportional to 17,671.62, 26,507.31 and 5,359.62 is: 8,039.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,671.62 : 26,507.31 = 5,359.62 : x
  2. Step 2: Convert to fraction form
    17,671.62/26,507.31 = 5,359.62/x
  3. Step 3: Cross multiply
    17,671.62x = 26,507.31 × 5,359.62
  4. Step 4: Simplify right side
    17,671.62x = 142,069,108.82
  5. Step 5: Solve for x
    x = 142,069,108.82/17,671.62
  6. Step 6: Final answer
    x = 8,039.39

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1.5x scale

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.