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Finding the Fourth Proportional to 23,163.04, 31,965.04 and 12,552.68

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Solution

The fourth proportional to 23,163.04, 31,965.04 and 12,552.68 is: 17,322.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,163.04 : 31,965.04 = 12,552.68 : x
  2. Step 2: Convert to fraction form
    23,163.04/31,965.04 = 12,552.68/x
  3. Step 3: Cross multiply
    23,163.04x = 31,965.04 × 12,552.68
  4. Step 4: Simplify right side
    23,163.04x = 401,246,918.31
  5. Step 5: Solve for x
    x = 401,246,918.31/23,163.04
  6. Step 6: Final answer
    x = 17,322.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.