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Finding the Fourth Proportional to 11,468.59, 15,829.94 and 6,755.60

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Solution

The fourth proportional to 11,468.59, 15,829.94 and 6,755.60 is: 9,324.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,468.59 : 15,829.94 = 6,755.60 : x
  2. Step 2: Convert to fraction form
    11,468.59/15,829.94 = 6,755.60/x
  3. Step 3: Cross multiply
    11,468.59x = 15,829.94 × 6,755.60
  4. Step 4: Simplify right side
    11,468.59x = 106,940,799.13
  5. Step 5: Solve for x
    x = 106,940,799.13/11,468.59
  6. Step 6: Final answer
    x = 9,324.67

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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.