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Finding the Fourth Proportional to 1,966.43, 2,948.90 and 733.56

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Solution

The fourth proportional to 1,966.43, 2,948.90 and 733.56 is: 1,100.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.43 : 2,948.90 = 733.56 : x
  2. Step 2: Convert to fraction form
    1,966.43/2,948.90 = 733.56/x
  3. Step 3: Cross multiply
    1,966.43x = 2,948.90 × 733.56
  4. Step 4: Simplify right side
    1,966.43x = 2,163,191.42
  5. Step 5: Solve for x
    x = 2,163,191.42/1,966.43
  6. Step 6: Final answer
    x = 1,100.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.