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Finding the Fourth Proportional to 5,092.60, 7,016.78 and 4,094.20

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Solution

The fourth proportional to 5,092.60, 7,016.78 and 4,094.20 is: 5,641.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,092.60 : 7,016.78 = 4,094.20 : x
  2. Step 2: Convert to fraction form
    5,092.60/7,016.78 = 4,094.20/x
  3. Step 3: Cross multiply
    5,092.60x = 7,016.78 × 4,094.20
  4. Step 4: Simplify right side
    5,092.60x = 28,728,100.68
  5. Step 5: Solve for x
    x = 28,728,100.68/5,092.60
  6. Step 6: Final answer
    x = 5,641.15

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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.