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Finding the Fourth Proportional to 26,429.62, 39,591.62 and 15,893.88

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Solution

The fourth proportional to 26,429.62, 39,591.62 and 15,893.88 is: 23,809.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,429.62 : 39,591.62 = 15,893.88 : x
  2. Step 2: Convert to fraction form
    26,429.62/39,591.62 = 15,893.88/x
  3. Step 3: Cross multiply
    26,429.62x = 39,591.62 × 15,893.88
  4. Step 4: Simplify right side
    26,429.62x = 629,264,457.29
  5. Step 5: Solve for x
    x = 629,264,457.29/26,429.62
  6. Step 6: Final answer
    x = 23,809.06

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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.