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Finding the Fourth Proportional to 8,673.92, 13,010.85 and 2,100.10

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Solution

The fourth proportional to 8,673.92, 13,010.85 and 2,100.10 is: 3,150.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.92 : 13,010.85 = 2,100.10 : x
  2. Step 2: Convert to fraction form
    8,673.92/13,010.85 = 2,100.10/x
  3. Step 3: Cross multiply
    8,673.92x = 13,010.85 × 2,100.10
  4. Step 4: Simplify right side
    8,673.92x = 27,324,086.09
  5. Step 5: Solve for x
    x = 27,324,086.09/8,673.92
  6. Step 6: Final answer
    x = 3,150.14

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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.