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Finding the Fourth Proportional to 17,908.34, 26,853.28 and 8,039.16

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Solution

The fourth proportional to 17,908.34, 26,853.28 and 8,039.16 is: 12,054.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,908.34 : 26,853.28 = 8,039.16 : x
  2. Step 2: Convert to fraction form
    17,908.34/26,853.28 = 8,039.16/x
  3. Step 3: Cross multiply
    17,908.34x = 26,853.28 × 8,039.16
  4. Step 4: Simplify right side
    17,908.34x = 215,877,814.44
  5. Step 5: Solve for x
    x = 215,877,814.44/17,908.34
  6. Step 6: Final answer
    x = 12,054.60

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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.