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Finding the Fourth Proportional to 17,181.80, 23,705.48 and 9,627.10

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Solution

The fourth proportional to 17,181.80, 23,705.48 and 9,627.10 is: 13,282.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,181.80 : 23,705.48 = 9,627.10 : x
  2. Step 2: Convert to fraction form
    17,181.80/23,705.48 = 9,627.10/x
  3. Step 3: Cross multiply
    17,181.80x = 23,705.48 × 9,627.10
  4. Step 4: Simplify right side
    17,181.80x = 228,215,026.51
  5. Step 5: Solve for x
    x = 228,215,026.51/17,181.80
  6. Step 6: Final answer
    x = 13,282.37

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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.