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Finding the Fourth Proportional to 17,663.15, 26,503.81 and 9,764.19

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Solution

The fourth proportional to 17,663.15, 26,503.81 and 9,764.19 is: 14,651.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,663.15 : 26,503.81 = 9,764.19 : x
  2. Step 2: Convert to fraction form
    17,663.15/26,503.81 = 9,764.19/x
  3. Step 3: Cross multiply
    17,663.15x = 26,503.81 × 9,764.19
  4. Step 4: Simplify right side
    17,663.15x = 258,788,236.56
  5. Step 5: Solve for x
    x = 258,788,236.56/17,663.15
  6. Step 6: Final answer
    x = 14,651.31

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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.