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Finding the Fourth Proportional to 17,708.80, 24,437.22 and 9,749.48

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Solution

The fourth proportional to 17,708.80, 24,437.22 and 9,749.48 is: 13,453.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,708.80 : 24,437.22 = 9,749.48 : x
  2. Step 2: Convert to fraction form
    17,708.80/24,437.22 = 9,749.48/x
  3. Step 3: Cross multiply
    17,708.80x = 24,437.22 × 9,749.48
  4. Step 4: Simplify right side
    17,708.80x = 238,250,187.65
  5. Step 5: Solve for x
    x = 238,250,187.65/17,708.80
  6. Step 6: Final answer
    x = 13,453.77

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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.