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Finding the Fourth Proportional to 1,446.95, 1,995.45 and 967.56

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Solution

The fourth proportional to 1,446.95, 1,995.45 and 967.56 is: 1,334.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446.95 : 1,995.45 = 967.56 : x
  2. Step 2: Convert to fraction form
    1,446.95/1,995.45 = 967.56/x
  3. Step 3: Cross multiply
    1,446.95x = 1,995.45 × 967.56
  4. Step 4: Simplify right side
    1,446.95x = 1,930,717.60
  5. Step 5: Solve for x
    x = 1,930,717.60/1,446.95
  6. Step 6: Final answer
    x = 1,334.34

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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.