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Finding the Fourth Proportional to 1,966.67, 2,711.06 and 1,302.37

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Solution

The fourth proportional to 1,966.67, 2,711.06 and 1,302.37 is: 1,795.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.67 : 2,711.06 = 1,302.37 : x
  2. Step 2: Convert to fraction form
    1,966.67/2,711.06 = 1,302.37/x
  3. Step 3: Cross multiply
    1,966.67x = 2,711.06 × 1,302.37
  4. Step 4: Simplify right side
    1,966.67x = 3,530,803.21
  5. Step 5: Solve for x
    x = 3,530,803.21/1,966.67
  6. Step 6: Final answer
    x = 1,795.32

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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.