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Finding the Fourth Proportional to 23,905.82, 35,859.89 and 9,111.98

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Solution

The fourth proportional to 23,905.82, 35,859.89 and 9,111.98 is: 13,668.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,905.82 : 35,859.89 = 9,111.98 : x
  2. Step 2: Convert to fraction form
    23,905.82/35,859.89 = 9,111.98/x
  3. Step 3: Cross multiply
    23,905.82x = 35,859.89 × 9,111.98
  4. Step 4: Simplify right side
    23,905.82x = 326,754,443.96
  5. Step 5: Solve for x
    x = 326,754,443.96/23,905.82
  6. Step 6: Final answer
    x = 13,668.41

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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.