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Finding the Fourth Proportional to 3,285.12, 4,926.54 and 944.49

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Solution

The fourth proportional to 3,285.12, 4,926.54 and 944.49 is: 1,416.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.12 : 4,926.54 = 944.49 : x
  2. Step 2: Convert to fraction form
    3,285.12/4,926.54 = 944.49/x
  3. Step 3: Cross multiply
    3,285.12x = 4,926.54 × 944.49
  4. Step 4: Simplify right side
    3,285.12x = 4,653,067.76
  5. Step 5: Solve for x
    x = 4,653,067.76/3,285.12
  6. Step 6: Final answer
    x = 1,416.41

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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.