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Finding the Fourth Proportional to 17,910.87, 26,873.65 and 9,475.17

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Solution

The fourth proportional to 17,910.87, 26,873.65 and 9,475.17 is: 14,216.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,910.87 : 26,873.65 = 9,475.17 : x
  2. Step 2: Convert to fraction form
    17,910.87/26,873.65 = 9,475.17/x
  3. Step 3: Cross multiply
    17,910.87x = 26,873.65 × 9,475.17
  4. Step 4: Simplify right side
    17,910.87x = 254,632,402.27
  5. Step 5: Solve for x
    x = 254,632,402.27/17,910.87
  6. Step 6: Final answer
    x = 14,216.64

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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.