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Finding the Fourth Proportional to 5,126.90, 7,028.98 and 5,033.48

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Solution

The fourth proportional to 5,126.90, 7,028.98 and 5,033.48 is: 6,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.90 : 7,028.98 = 5,033.48 : x
  2. Step 2: Convert to fraction form
    5,126.90/7,028.98 = 5,033.48/x
  3. Step 3: Cross multiply
    5,126.90x = 7,028.98 × 5,033.48
  4. Step 4: Simplify right side
    5,126.90x = 35,380,205.08
  5. Step 5: Solve for x
    x = 35,380,205.08/5,126.90
  6. Step 6: Final answer
    x = 6,900.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.