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Finding the Fourth Proportional to 1,333.72, 1,836.69 and 1,329.67

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Solution

The fourth proportional to 1,333.72, 1,836.69 and 1,329.67 is: 1,831.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333.72 : 1,836.69 = 1,329.67 : x
  2. Step 2: Convert to fraction form
    1,333.72/1,836.69 = 1,329.67/x
  3. Step 3: Cross multiply
    1,333.72x = 1,836.69 × 1,329.67
  4. Step 4: Simplify right side
    1,333.72x = 2,442,191.59
  5. Step 5: Solve for x
    x = 2,442,191.59/1,333.72
  6. Step 6: Final answer
    x = 1,831.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.