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Finding the Fourth Proportional to 17,188.08, 25,731.06 and 9,373.20

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Solution

The fourth proportional to 17,188.08, 25,731.06 and 9,373.20 is: 14,031.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,188.08 : 25,731.06 = 9,373.20 : x
  2. Step 2: Convert to fraction form
    17,188.08/25,731.06 = 9,373.20/x
  3. Step 3: Cross multiply
    17,188.08x = 25,731.06 × 9,373.20
  4. Step 4: Simplify right side
    17,188.08x = 241,182,371.59
  5. Step 5: Solve for x
    x = 241,182,371.59/17,188.08
  6. Step 6: Final answer
    x = 14,031.96

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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.