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Finding the Fourth Proportional to 7,892.58, 11,854.65 and 4,936.29

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Solution

The fourth proportional to 7,892.58, 11,854.65 and 4,936.29 is: 7,414.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892.58 : 11,854.65 = 4,936.29 : x
  2. Step 2: Convert to fraction form
    7,892.58/11,854.65 = 4,936.29/x
  3. Step 3: Cross multiply
    7,892.58x = 11,854.65 × 4,936.29
  4. Step 4: Simplify right side
    7,892.58x = 58,517,990.25
  5. Step 5: Solve for x
    x = 58,517,990.25/7,892.58
  6. Step 6: Final answer
    x = 7,414.30

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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.