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Finding the Fourth Proportional to 18,502.01, 27,754.45 and 6,657.32

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Solution

The fourth proportional to 18,502.01, 27,754.45 and 6,657.32 is: 9,986.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,502.01 : 27,754.45 = 6,657.32 : x
  2. Step 2: Convert to fraction form
    18,502.01/27,754.45 = 6,657.32/x
  3. Step 3: Cross multiply
    18,502.01x = 27,754.45 × 6,657.32
  4. Step 4: Simplify right side
    18,502.01x = 184,770,221.79
  5. Step 5: Solve for x
    x = 184,770,221.79/18,502.01
  6. Step 6: Final answer
    x = 9,986.50

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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.