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Finding the Fourth Proportional to 17,810.62, 26,708.13 and 8,453.34

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Solution

The fourth proportional to 17,810.62, 26,708.13 and 8,453.34 is: 12,676.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,810.62 : 26,708.13 = 8,453.34 : x
  2. Step 2: Convert to fraction form
    17,810.62/26,708.13 = 8,453.34/x
  3. Step 3: Cross multiply
    17,810.62x = 26,708.13 × 8,453.34
  4. Step 4: Simplify right side
    17,810.62x = 225,772,903.65
  5. Step 5: Solve for x
    x = 225,772,903.65/17,810.62
  6. Step 6: Final answer
    x = 12,676.31

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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.