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Finding the Fourth Proportional to 5,242.07, 7,223.89 and 4,899.44

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Solution

The fourth proportional to 5,242.07, 7,223.89 and 4,899.44 is: 6,751.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.07 : 7,223.89 = 4,899.44 : x
  2. Step 2: Convert to fraction form
    5,242.07/7,223.89 = 4,899.44/x
  3. Step 3: Cross multiply
    5,242.07x = 7,223.89 × 4,899.44
  4. Step 4: Simplify right side
    5,242.07x = 35,393,015.62
  5. Step 5: Solve for x
    x = 35,393,015.62/5,242.07
  6. Step 6: Final answer
    x = 6,751.73

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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.