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Finding the Fourth Proportional to 17,863.29, 24,650.70 and 9,905.34

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Solution

The fourth proportional to 17,863.29, 24,650.70 and 9,905.34 is: 13,669.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,863.29 : 24,650.70 = 9,905.34 : x
  2. Step 2: Convert to fraction form
    17,863.29/24,650.70 = 9,905.34/x
  3. Step 3: Cross multiply
    17,863.29x = 24,650.70 × 9,905.34
  4. Step 4: Simplify right side
    17,863.29x = 244,173,564.74
  5. Step 5: Solve for x
    x = 244,173,564.74/17,863.29
  6. Step 6: Final answer
    x = 13,669.01

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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.