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Finding the Fourth Proportional to 4,420.73, 6,631.14 and 1,133.73

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Solution

The fourth proportional to 4,420.73, 6,631.14 and 1,133.73 is: 1,700.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.73 : 6,631.14 = 1,133.73 : x
  2. Step 2: Convert to fraction form
    4,420.73/6,631.14 = 1,133.73/x
  3. Step 3: Cross multiply
    4,420.73x = 6,631.14 × 1,133.73
  4. Step 4: Simplify right side
    4,420.73x = 7,517,922.35
  5. Step 5: Solve for x
    x = 7,517,922.35/4,420.73
  6. Step 6: Final answer
    x = 1,700.61

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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.