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Finding the Fourth Proportional to 30,480.56, 41,969.71 and 26,682.47

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Solution

The fourth proportional to 30,480.56, 41,969.71 and 26,682.47 is: 36,739.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,480.56 : 41,969.71 = 26,682.47 : x
  2. Step 2: Convert to fraction form
    30,480.56/41,969.71 = 26,682.47/x
  3. Step 3: Cross multiply
    30,480.56x = 41,969.71 × 26,682.47
  4. Step 4: Simplify right side
    30,480.56x = 1,119,855,527.98
  5. Step 5: Solve for x
    x = 1,119,855,527.98/30,480.56
  6. Step 6: Final answer
    x = 36,739.99

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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.