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Finding the Fourth Proportional to 1,845.84, 2,546.82 and 1,146.84

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Solution

The fourth proportional to 1,845.84, 2,546.82 and 1,146.84 is: 1,582.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.84 : 2,546.82 = 1,146.84 : x
  2. Step 2: Convert to fraction form
    1,845.84/2,546.82 = 1,146.84/x
  3. Step 3: Cross multiply
    1,845.84x = 2,546.82 × 1,146.84
  4. Step 4: Simplify right side
    1,845.84x = 2,920,795.05
  5. Step 5: Solve for x
    x = 2,920,795.05/1,845.84
  6. Step 6: Final answer
    x = 1,582.37

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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.