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Finding the Fourth Proportional to 5,225.16, 7,170.73 and 5,188.25

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Solution

The fourth proportional to 5,225.16, 7,170.73 and 5,188.25 is: 7,120.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.16 : 7,170.73 = 5,188.25 : x
  2. Step 2: Convert to fraction form
    5,225.16/7,170.73 = 5,188.25/x
  3. Step 3: Cross multiply
    5,225.16x = 7,170.73 × 5,188.25
  4. Step 4: Simplify right side
    5,225.16x = 37,203,544.88
  5. Step 5: Solve for x
    x = 37,203,544.88/5,225.16
  6. Step 6: Final answer
    x = 7,120.08

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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.