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Finding the Fourth Proportional to 11,673.92, 17,427.76 and 11,263.86

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Solution

The fourth proportional to 11,673.92, 17,427.76 and 11,263.86 is: 16,815.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,673.92 : 17,427.76 = 11,263.86 : x
  2. Step 2: Convert to fraction form
    11,673.92/17,427.76 = 11,263.86/x
  3. Step 3: Cross multiply
    11,673.92x = 17,427.76 × 11,263.86
  4. Step 4: Simplify right side
    11,673.92x = 196,303,820.59
  5. Step 5: Solve for x
    x = 196,303,820.59/11,673.92
  6. Step 6: Final answer
    x = 16,815.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.