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Finding the Fourth Proportional to 17,318.58, 23,899.48 and 9,360.73

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Solution

The fourth proportional to 17,318.58, 23,899.48 and 9,360.73 is: 12,917.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,318.58 : 23,899.48 = 9,360.73 : x
  2. Step 2: Convert to fraction form
    17,318.58/23,899.48 = 9,360.73/x
  3. Step 3: Cross multiply
    17,318.58x = 23,899.48 × 9,360.73
  4. Step 4: Simplify right side
    17,318.58x = 223,716,579.42
  5. Step 5: Solve for x
    x = 223,716,579.42/17,318.58
  6. Step 6: Final answer
    x = 12,917.72

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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.