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Finding the Fourth Proportional to 27,091.80, 40,632.30 and 13,051.80

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Solution

The fourth proportional to 27,091.80, 40,632.30 and 13,051.80 is: 19,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,091.80 : 40,632.30 = 13,051.80 : x
  2. Step 2: Convert to fraction form
    27,091.80/40,632.30 = 13,051.80/x
  3. Step 3: Cross multiply
    27,091.80x = 40,632.30 × 13,051.80
  4. Step 4: Simplify right side
    27,091.80x = 530,324,653.14
  5. Step 5: Solve for x
    x = 530,324,653.14/27,091.80
  6. Step 6: Final answer
    x = 19,575.10

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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.