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Finding the Fourth Proportional to 18,057.04, 27,062.99 and 8,695.31

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Solution

The fourth proportional to 18,057.04, 27,062.99 and 8,695.31 is: 13,032.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,057.04 : 27,062.99 = 8,695.31 : x
  2. Step 2: Convert to fraction form
    18,057.04/27,062.99 = 8,695.31/x
  3. Step 3: Cross multiply
    18,057.04x = 27,062.99 × 8,695.31
  4. Step 4: Simplify right side
    18,057.04x = 235,320,908.79
  5. Step 5: Solve for x
    x = 235,320,908.79/18,057.04
  6. Step 6: Final answer
    x = 13,032.09

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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.