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Finding the Fourth Proportional to 11,732.76, 16,193.25 and 7,019.64

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Solution

The fourth proportional to 11,732.76, 16,193.25 and 7,019.64 is: 9,688.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,732.76 : 16,193.25 = 7,019.64 : x
  2. Step 2: Convert to fraction form
    11,732.76/16,193.25 = 7,019.64/x
  3. Step 3: Cross multiply
    11,732.76x = 16,193.25 × 7,019.64
  4. Step 4: Simplify right side
    11,732.76x = 113,670,785.43
  5. Step 5: Solve for x
    x = 113,670,785.43/11,732.76
  6. Step 6: Final answer
    x = 9,688.32

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Double scale
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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.