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Finding the Fourth Proportional to 30,527.69, 45,791.73 and 8,343.41

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Solution

The fourth proportional to 30,527.69, 45,791.73 and 8,343.41 is: 12,515.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,527.69 : 45,791.73 = 8,343.41 : x
  2. Step 2: Convert to fraction form
    30,527.69/45,791.73 = 8,343.41/x
  3. Step 3: Cross multiply
    30,527.69x = 45,791.73 × 8,343.41
  4. Step 4: Simplify right side
    30,527.69x = 382,058,949.04
  5. Step 5: Solve for x
    x = 382,058,949.04/30,527.69
  6. Step 6: Final answer
    x = 12,515.16

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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.