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Finding the Fourth Proportional to 1,966.99, 2,713.24 and 1,546.67

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Solution

The fourth proportional to 1,966.99, 2,713.24 and 1,546.67 is: 2,133.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.99 : 2,713.24 = 1,546.67 : x
  2. Step 2: Convert to fraction form
    1,966.99/2,713.24 = 1,546.67/x
  3. Step 3: Cross multiply
    1,966.99x = 2,713.24 × 1,546.67
  4. Step 4: Simplify right side
    1,966.99x = 4,196,475.28
  5. Step 5: Solve for x
    x = 4,196,475.28/1,966.99
  6. Step 6: Final answer
    x = 2,133.45

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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.