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Finding the Fourth Proportional to 17,318.29, 23,899.24 and 9,360.51

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Solution

The fourth proportional to 17,318.29, 23,899.24 and 9,360.51 is: 12,917.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,318.29 : 23,899.24 = 9,360.51 : x
  2. Step 2: Convert to fraction form
    17,318.29/23,899.24 = 9,360.51/x
  3. Step 3: Cross multiply
    17,318.29x = 23,899.24 × 9,360.51
  4. Step 4: Simplify right side
    17,318.29x = 223,709,078.87
  5. Step 5: Solve for x
    x = 223,709,078.87/17,318.29
  6. Step 6: Final answer
    x = 12,917.50

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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.