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Finding the Fourth Proportional to 17,343.90, 26,024.85 and 8,109.90

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Solution

The fourth proportional to 17,343.90, 26,024.85 and 8,109.90 is: 12,169.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,343.90 : 26,024.85 = 8,109.90 : x
  2. Step 2: Convert to fraction form
    17,343.90/26,024.85 = 8,109.90/x
  3. Step 3: Cross multiply
    17,343.90x = 26,024.85 × 8,109.90
  4. Step 4: Simplify right side
    17,343.90x = 211,058,931.02
  5. Step 5: Solve for x
    x = 211,058,931.02/17,343.90
  6. Step 6: Final answer
    x = 12,169.06

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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.