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Finding the Fourth Proportional to 17,903.67, 26,842.70 and 8,410.68

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Solution

The fourth proportional to 17,903.67, 26,842.70 and 8,410.68 is: 12,610.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,903.67 : 26,842.70 = 8,410.68 : x
  2. Step 2: Convert to fraction form
    17,903.67/26,842.70 = 8,410.68/x
  3. Step 3: Cross multiply
    17,903.67x = 26,842.70 × 8,410.68
  4. Step 4: Simplify right side
    17,903.67x = 225,765,317.98
  5. Step 5: Solve for x
    x = 225,765,317.98/17,903.67
  6. Step 6: Final answer
    x = 12,610.00

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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.