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Finding the Fourth Proportional to 8,735.11, 12,052.47 and 7,324.49

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Solution

The fourth proportional to 8,735.11, 12,052.47 and 7,324.49 is: 10,106.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735.11 : 12,052.47 = 7,324.49 : x
  2. Step 2: Convert to fraction form
    8,735.11/12,052.47 = 7,324.49/x
  3. Step 3: Cross multiply
    8,735.11x = 12,052.47 × 7,324.49
  4. Step 4: Simplify right side
    8,735.11x = 88,278,195.99
  5. Step 5: Solve for x
    x = 88,278,195.99/8,735.11
  6. Step 6: Final answer
    x = 10,106.13

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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.