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Finding the Fourth Proportional to 4,997.57, 7,494.80 and 1,709.90

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Solution

The fourth proportional to 4,997.57, 7,494.80 and 1,709.90 is: 2,564.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997.57 : 7,494.80 = 1,709.90 : x
  2. Step 2: Convert to fraction form
    4,997.57/7,494.80 = 1,709.90/x
  3. Step 3: Cross multiply
    4,997.57x = 7,494.80 × 1,709.90
  4. Step 4: Simplify right side
    4,997.57x = 12,815,340.60
  5. Step 5: Solve for x
    x = 12,815,340.60/4,997.57
  6. Step 6: Final answer
    x = 2,564.31

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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.