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Finding the Fourth Proportional to 17,636.87, 26,448.64 and 7,103.32

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Solution

The fourth proportional to 17,636.87, 26,448.64 and 7,103.32 is: 10,652.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,636.87 : 26,448.64 = 7,103.32 : x
  2. Step 2: Convert to fraction form
    17,636.87/26,448.64 = 7,103.32/x
  3. Step 3: Cross multiply
    17,636.87x = 26,448.64 × 7,103.32
  4. Step 4: Simplify right side
    17,636.87x = 187,873,069.60
  5. Step 5: Solve for x
    x = 187,873,069.60/17,636.87
  6. Step 6: Final answer
    x = 10,652.29

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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.