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Finding the Fourth Proportional to 17,583.44, 26,374.96 and 7,187.92

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Solution

The fourth proportional to 17,583.44, 26,374.96 and 7,187.92 is: 10,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,583.44 : 26,374.96 = 7,187.92 : x
  2. Step 2: Convert to fraction form
    17,583.44/26,374.96 = 7,187.92/x
  3. Step 3: Cross multiply
    17,583.44x = 26,374.96 × 7,187.92
  4. Step 4: Simplify right side
    17,583.44x = 189,581,102.48
  5. Step 5: Solve for x
    x = 189,581,102.48/17,583.44
  6. Step 6: Final answer
    x = 10,781.80

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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.