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Finding the Fourth Proportional to 4,997.70, 7,496.55 and 4,924.80

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Solution

The fourth proportional to 4,997.70, 7,496.55 and 4,924.80 is: 7,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997.70 : 7,496.55 = 4,924.80 : x
  2. Step 2: Convert to fraction form
    4,997.70/7,496.55 = 4,924.80/x
  3. Step 3: Cross multiply
    4,997.70x = 7,496.55 × 4,924.80
  4. Step 4: Simplify right side
    4,997.70x = 36,919,009.44
  5. Step 5: Solve for x
    x = 36,919,009.44/4,997.70
  6. Step 6: Final answer
    x = 7,387.20

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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.