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Finding the Fourth Proportional to 15,174.25, 22,765.22 and 4,230.25

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Solution

The fourth proportional to 15,174.25, 22,765.22 and 4,230.25 is: 6,346.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,174.25 : 22,765.22 = 4,230.25 : x
  2. Step 2: Convert to fraction form
    15,174.25/22,765.22 = 4,230.25/x
  3. Step 3: Cross multiply
    15,174.25x = 22,765.22 × 4,230.25
  4. Step 4: Simplify right side
    15,174.25x = 96,302,571.91
  5. Step 5: Solve for x
    x = 96,302,571.91/15,174.25
  6. Step 6: Final answer
    x = 6,346.45

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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.