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Finding the Fourth Proportional to 1,846.44, 2,770.88 and 872.62

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Solution

The fourth proportional to 1,846.44, 2,770.88 and 872.62 is: 1,309.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.44 : 2,770.88 = 872.62 : x
  2. Step 2: Convert to fraction form
    1,846.44/2,770.88 = 872.62/x
  3. Step 3: Cross multiply
    1,846.44x = 2,770.88 × 872.62
  4. Step 4: Simplify right side
    1,846.44x = 2,417,925.31
  5. Step 5: Solve for x
    x = 2,417,925.31/1,846.44
  6. Step 6: Final answer
    x = 1,309.51

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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.