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Finding the Fourth Proportional to 12,941.22, 17,853.81 and 7,274.67

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Solution

The fourth proportional to 12,941.22, 17,853.81 and 7,274.67 is: 10,036.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941.22 : 17,853.81 = 7,274.67 : x
  2. Step 2: Convert to fraction form
    12,941.22/17,853.81 = 7,274.67/x
  3. Step 3: Cross multiply
    12,941.22x = 17,853.81 × 7,274.67
  4. Step 4: Simplify right side
    12,941.22x = 129,880,575.99
  5. Step 5: Solve for x
    x = 129,880,575.99/12,941.22
  6. Step 6: Final answer
    x = 10,036.19

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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.