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Finding the Fourth Proportional to 17,647.32, 26,471 and 6,401.72

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Solution

The fourth proportional to 17,647.32, 26,471 and 6,401.72 is: 9,602.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,647.32 : 26,471 = 6,401.72 : x
  2. Step 2: Convert to fraction form
    17,647.32/26,471 = 6,401.72/x
  3. Step 3: Cross multiply
    17,647.32x = 26,471 × 6,401.72
  4. Step 4: Simplify right side
    17,647.32x = 169,459,930.12
  5. Step 5: Solve for x
    x = 169,459,930.12/17,647.32
  6. Step 6: Final answer
    x = 9,602.59

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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.