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Finding the Fourth Proportional to 17,392.34, 26,085.49 and 8,031.58

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Solution

The fourth proportional to 17,392.34, 26,085.49 and 8,031.58 is: 12,045.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,392.34 : 26,085.49 = 8,031.58 : x
  2. Step 2: Convert to fraction form
    17,392.34/26,085.49 = 8,031.58/x
  3. Step 3: Cross multiply
    17,392.34x = 26,085.49 × 8,031.58
  4. Step 4: Simplify right side
    17,392.34x = 209,507,614.48
  5. Step 5: Solve for x
    x = 209,507,614.48/17,392.34
  6. Step 6: Final answer
    x = 12,045.97

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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.