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Finding the Fourth Proportional to 17,385.70, 23,992.06 and 9,427.83

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Solution

The fourth proportional to 17,385.70, 23,992.06 and 9,427.83 is: 13,010.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,385.70 : 23,992.06 = 9,427.83 : x
  2. Step 2: Convert to fraction form
    17,385.70/23,992.06 = 9,427.83/x
  3. Step 3: Cross multiply
    17,385.70x = 23,992.06 × 9,427.83
  4. Step 4: Simplify right side
    17,385.70x = 226,192,955.91
  5. Step 5: Solve for x
    x = 226,192,955.91/17,385.70
  6. Step 6: Final answer
    x = 13,010.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.