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Finding the Fourth Proportional to 17,166.30, 25,731.93 and 9,755.10

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Solution

The fourth proportional to 17,166.30, 25,731.93 and 9,755.10 is: 14,622.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,166.30 : 25,731.93 = 9,755.10 : x
  2. Step 2: Convert to fraction form
    17,166.30/25,731.93 = 9,755.10/x
  3. Step 3: Cross multiply
    17,166.30x = 25,731.93 × 9,755.10
  4. Step 4: Simplify right side
    17,166.30x = 251,017,550.34
  5. Step 5: Solve for x
    x = 251,017,550.34/17,166.30
  6. Step 6: Final answer
    x = 14,622.69

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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.